CVE-2026-19813: Stack-based Buffer Overflow in TOTOLINK A800R
A security vulnerability has been detected in TOTOLINK A800R 4.1.2cu.5137_B20200730. This impacts the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. Such manipulation of the argument Comment leads to stack-based buffer overflow. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.
CVE-2026-19813: Stack-based Buffer Overflow in TOTOLINK A800R
Description
A security vulnerability has been detected in TOTOLINK A800R 4.1.2cu.5137_B20200730. This impacts the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. Such manipulation of the argument Comment leads to stack-based buffer overflow. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.
CVSS v4.0
Score 8.7high
Affected software
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-14T00:55:43.526Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7ed153bf8831d539b2da2b
Added to database: 08/14/2026, 08:26:59 UTC
Last updated: 08/14/2026, 08:26:59 UTC
Views: 1
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