CVE-2026-79911: Stack-based Buffer Overflow in TOTOLINK N600R
A security vulnerability has been detected in TOTOLINK N600R 4.3.0cu.7647_B20210106. The affected element is the function setSystemConfig of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument Hostname leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.
CVE-2026-79911: Stack-based Buffer Overflow in TOTOLINK N600R
Description
A security vulnerability has been detected in TOTOLINK N600R 4.3.0cu.7647_B20210106. The affected element is the function setSystemConfig of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument Hostname leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.
CVSS v4.0
Score 10.0critical
Affected software
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-wgfc-85p2-7526
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-79911"]
- Ecosystems
- []
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
Threat ID: 6a8effefacd9273b4908a4e0
Added to database: 08/26/2026, 15:02:07 UTC
Last updated: 08/26/2026, 16:22:07 UTC
Views: 4
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