7.8
HIGH CVSS 3.1
CVE-2026-21373
Buffer Over-read in Camera
Description

Memory Corruption when accessing an output buffer without validating its size during IOCTL processing.

INFO

Published Date :

April 6, 2026, 4:16 p.m.

Last Modified :

April 8, 2026, 9:07 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-21373 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Qualcomm aqt1000_firmware
2 Qualcomm qca6391_firmware
3 Qualcomm qca6420_firmware
4 Qualcomm qca6430_firmware
5 Qualcomm wcd9341_firmware
6 Qualcomm wcd9380_firmware
7 Qualcomm wcd9385_firmware
8 Qualcomm wcn3988_firmware
9 Qualcomm wsa8810_firmware
10 Qualcomm wsa8815_firmware
11 Qualcomm wsa8830_firmware
12 Qualcomm wsa8835_firmware
13 Qualcomm qcm6490_firmware
14 Qualcomm sm6250_firmware
15 Qualcomm snapdragon_662_mobile_platform_firmware
16 Qualcomm snapdragon_7c\+_gen_3_compute_firmware
17 Qualcomm wcd9340_firmware
18 Qualcomm wcd9370_firmware
19 Qualcomm wcd9375_firmware
20 Qualcomm wcn3950_firmware
21 Qualcomm wsa8832_firmware
22 Qualcomm fastconnect_6200_firmware
23 Qualcomm fastconnect_6800_firmware
24 Qualcomm fastconnect_6900_firmware
25 Qualcomm fastconnect_7800_firmware
26 Qualcomm fastconnect_6700_firmware
27 Qualcomm snapdragon_460_mobile_platform_firmware
28 Qualcomm snapdragon_7c_compute_platform_firmware
29 Qualcomm snapdragon_7c_gen_2_compute_platform_firmware
30 Qualcomm snapdragon_8c_compute_platform_firmware
31 Qualcomm snapdragon_8cx_compute_platform_firmware
32 Qualcomm snapdragon_8cx_gen_2_5g_compute_platform_firmware
33 Qualcomm snapdragon_8cx_gen_3_compute_platform_firmware
34 Qualcomm qca0000_firmware
35 Qualcomm wsa8840_firmware
36 Qualcomm wsa8845_firmware
37 Qualcomm wsa8845h_firmware
38 Qualcomm aqt1000
39 Qualcomm qca6391
40 Qualcomm qca6420
41 Qualcomm qca6430
42 Qualcomm sm6250
43 Qualcomm wcd9340
44 Qualcomm wcd9341
45 Qualcomm wcd9370
46 Qualcomm wcd9375
47 Qualcomm wcd9380
48 Qualcomm wcd9385
49 Qualcomm wcn3950
50 Qualcomm wcn3988
51 Qualcomm wsa8810
52 Qualcomm wsa8815
53 Qualcomm wsa8830
54 Qualcomm wsa8835
55 Qualcomm qca0000
56 Qualcomm qcm5430_firmware
57 Qualcomm sc8380xp_firmware
58 Qualcomm fastconnect_6700
59 Qualcomm fastconnect_6200
60 Qualcomm fastconnect_6800
61 Qualcomm fastconnect_6900
62 Qualcomm fastconnect_7800
63 Qualcomm qcm5430
64 Qualcomm qcm6490
65 Qualcomm sc8380xp
66 Qualcomm snapdragon_460_mobile_platform
67 Qualcomm snapdragon_662_mobile_platform
68 Qualcomm snapdragon_7c_compute_platform
69 Qualcomm snapdragon_7c_gen_2_compute_platform
70 Qualcomm snapdragon_7c\+_gen_3_compute
71 Qualcomm wsa8832
72 Qualcomm wsa8840
73 Qualcomm wsa8845
74 Qualcomm wsa8845h
75 Qualcomm snapdragon_8c_compute_platform
76 Qualcomm snapdragon_8cx_compute_platform
77 Qualcomm snapdragon_8cx_gen_2_5g_compute_platform
78 Qualcomm snapdragon_8cx_gen_3_compute_platform
79 Qualcomm video_collaboration_vc3_platform_firmware
80 Qualcomm video_collaboration_vc3_platform
81 Qualcomm snapdragon_8c_compute_platform_\(sc8180xp-ad\)_firmware
82 Qualcomm snapdragon_8c_compute_platform_\(sc8180xp-ad\)
83 Qualcomm snapdragon_ar1_gen_1_platform_firmware
84 Qualcomm snapdragon_ar1_gen_1_platform
85 Qualcomm wcd9378c_firmware
86 Qualcomm wcd9378c
87 Qualcomm x2000077_firmware
88 Qualcomm x2000077
89 Qualcomm x2000086_firmware
90 Qualcomm x2000086
91 Qualcomm x2000090_firmware
92 Qualcomm x2000090
93 Qualcomm x2000092_firmware
94 Qualcomm x2000092
95 Qualcomm x2000094_firmware
96 Qualcomm x2000094
97 Qualcomm xg101002_firmware
98 Qualcomm xg101002
99 Qualcomm xg101032_firmware
100 Qualcomm xg101032
101 Qualcomm xg101039_firmware
102 Qualcomm xg101039
103 Qualcomm cologne_firmware
104 Qualcomm cologne
105 Qualcomm snapdragon_8cx_compute_platform_\"poipu_pro\"_firmware
106 Qualcomm snapdragon_8cx_compute_platform_\"poipu_pro\"
107 Qualcomm snapdragon_8cx_gen_2_5g_compute_platform_\"poipu_pro\"_firmware
108 Qualcomm snapdragon_8cx_gen_2_5g_compute_platform_\"poipu_pro\"
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 2cfc7d3e-20d3-47ac-8db7-1b7285aff15f
CVSS 3.1 HIGH [email protected]
Solution
Fix memory corruption by validating buffer sizes before IOCTL processing.
  • Validate output buffer sizes before IOCTL processing.
  • Implement robust bounds checking for all buffer operations.
  • Apply security patches from the vendor.
  • Review and sanitize all input data carefully.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-21373.

URL Resource
https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2026-bulletin.html Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-21373 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-21373 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-21373 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-21373 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Apr. 08, 2026

    Action Type Old Value New Value
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:aqt1000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:cologne_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:cologne:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:fastconnect_6200_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:fastconnect_6200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:fastconnect_6700_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:fastconnect_6700:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:fastconnect_6800_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:fastconnect_6800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:fastconnect_6900_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:fastconnect_6900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:fastconnect_7800_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:fastconnect_7800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca0000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca0000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6391:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6420_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6420:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qca6430_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qca6430:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qcm5430_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qcm5430:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:qcm6490_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:qcm6490:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:video_collaboration_vc3_platform_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:video_collaboration_vc3_platform:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sc8380xp_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sc8380xp:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:sm6250_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:sm6250:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_460_mobile_platform_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_460_mobile_platform:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_662_mobile_platform_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_662_mobile_platform:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_7c_compute_platform_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_7c_compute_platform:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_7c_gen_2_compute_platform_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_7c_gen_2_compute_platform:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_7c+_gen_3_compute_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_7c+_gen_3_compute:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_8c_compute_platform_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_8c_compute_platform:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_8c_compute_platform_(sc8180xp-ad)_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_8c_compute_platform_(sc8180xp-ad):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_8cx_compute_platform_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_8cx_compute_platform:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_8cx_compute_platform_"poipu_pro"_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_8cx_compute_platform_"poipu_pro":-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_8cx_gen_2_5g_compute_platform_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_8cx_gen_2_5g_compute_platform:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_8cx_gen_2_5g_compute_platform_"poipu_pro"_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_8cx_gen_2_5g_compute_platform_"poipu_pro":-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_8cx_gen_3_compute_platform_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_8cx_gen_3_compute_platform:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:snapdragon_ar1_gen_1_platform_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:snapdragon_ar1_gen_1_platform:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9340_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9340:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9341_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9341:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9370_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9370:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9375_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9375:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9378c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9378c:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9380:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcd9385:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3950_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3950:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wcn3988_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wcn3988:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8810_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8810:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8815_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8815:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8830:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8832_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8832:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8835:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8840_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8840:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8845_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8845:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:wsa8845h_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:wsa8845h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:x2000077_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:x2000077:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:x2000086_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:x2000086:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:x2000090_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:x2000090:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:x2000092_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:x2000092:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:x2000094_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:x2000094:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:xg101002_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:xg101002:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:xg101032_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:xg101032:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:xg101039_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:xg101039:-:*:*:*:*:*:*:*
    Added Reference Type Qualcomm, Inc.: https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2026-bulletin.html Types: Vendor Advisory
  • New CVE Received by [email protected]

    Apr. 06, 2026

    Action Type Old Value New Value
    Added Description Memory Corruption when accessing an output buffer without validating its size during IOCTL processing.
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-126
    Added Reference https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2026-bulletin.html
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.