CVE-2026-75012
TOTOLINK EX1200L Password Configuration cstecgi.cgi setPasswordCfg null pointer dereference
Description
A security vulnerability has been detected in TOTOLINK EX1200L 9.3.5u.6146_B20201023. Affected by this issue is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Password Configuration Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.
INFO
Published Date :
Aug. 17, 2026, 8:16 p.m.
Last Modified :
Aug. 20, 2026, 12:48 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update the TOTOLINK EX1200L firmware.
- Apply vendor-provided patches or updates.
- Restrict remote access to the device.
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-2026-75012.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-75012 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-2026-75012
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-2026-75012 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-75012 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.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 18, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-75012', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-08-18T12:30:56.972365Z'} -
New CVE Received by [email protected]
Aug. 17, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:totolink:ex1200l:*:*:*:*:*:*:*:*'], 'vendor': 'TOTOLINK', 'modules': ['Password Configuration Handler'], 'product': 'EX1200L', 'versions': [{'status': 'affected', 'version': '9.3.5u.6146_B20201023'}]}] Added Description A security vulnerability has been detected in TOTOLINK EX1200L 9.3.5u.6146_B20201023. Affected by this issue is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Password Configuration Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/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:N/I:N/A:H Added CVSS V2 (AV:N/AC:L/Au:S/C:N/I:N/A:C) Added CWE CWE-476 Added CWE CWE-404 Added Reference https://gist.github.com/wyxstarry/afdc067090575c216a9d2622c3338e5c Added Reference https://vuldb.com/cve/CVE-2026-75012 Added Reference https://vuldb.com/submit/876022 Added Reference https://vuldb.com/vuln/391272 Added Reference https://vuldb.com/vuln/391272/cti Added Reference https://www.totolink.net/