CVE-2026-2930
Tenda A18 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow
Description
A vulnerability was identified in Tenda A18 15.13.07.13. The affected element is the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. Such manipulation of the argument boundary leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.
INFO
Published Date :
Feb. 22, 2026, 7:16 a.m.
Last Modified :
Feb. 23, 2026, 8:19 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update the firmware to a non-vulnerable version.
- Apply vendor-provided patches.
- Restrict access to the Httpd service.
- Monitor network traffic for suspicious activity.
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-2026-2930.
| URL | Resource |
|---|---|
| https://github.com/master-abc/cve/issues/40 | Issue Tracking |
| https://vuldb.com/?ctiid.347277 | Permissions Required VDB Entry |
| https://vuldb.com/?id.347277 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.755227 | Third Party Advisory VDB Entry |
| https://www.tenda.com.cn/ | Product |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-2930 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-2026-2930
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-2026-2930 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-2930 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]
Feb. 23, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration AND OR *cpe:2.3:o:tenda:a18_firmware:15.13.07.13:*:*:*:*:*:*:* OR cpe:2.3:h:tenda:a18:-:*:*:*:*:*:*:* Added Reference Type VulDB: https://github.com/master-abc/cve/issues/40 Types: Issue Tracking Added Reference Type VulDB: https://vuldb.com/?ctiid.347277 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.347277 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.755227 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://www.tenda.com.cn/ Types: Product -
New CVE Received by [email protected]
Feb. 22, 2026
Action Type Old Value New Value Added Description A vulnerability was identified in Tenda A18 15.13.07.13. The affected element is the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. Such manipulation of the argument boundary leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:P) Added CWE CWE-119 Added CWE CWE-121 Added Reference https://github.com/master-abc/cve/issues/40 Added Reference https://vuldb.com/?ctiid.347277 Added Reference https://vuldb.com/?id.347277 Added Reference https://vuldb.com/?submit.755227 Added Reference https://www.tenda.com.cn/