Vulnerability · Published Apr 30, 2026 · Assigned by VulDB
CVE-2026-7503code-projects for Plugin cstecgi.cgi setWiFiMultipleConfig buffer overflow
High 8.8
In plain English
A high-severity buffer overflow in for Plugin from code-projects. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.4%top 60.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was detected in code-projects for Plugin 4.1.2cu.5137. The impacted element is the function setWiFiMultipleConfig in the library /lib/cste_modules/wireless.so of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument wepkey2 results in buffer overflow. The attack can be launched remotely. The exploit is now public and may be used.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| code-projects | for Plugin | 4.1.2cu.5137 |
Weakness: CWE-120, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-360313 | code-projects for Plugin cstecgi.cgi setWiFiMultipleConfig buffer overflow vdb-entry, technical-description
- VDB-360313 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #803120 | TOTOLINK A800R V4.1.2cu.5137_B20200730 Stack-based Buffer Overflow third-party-advisory
- https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A800R/02_Buffer_Overflow_setWiFiMultipleConfig.md exploit
- https://code-projects.org/ product