CVE-2026-121600
Critical
Description
A flaw has been found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. Affected by this vulnerability is the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component MAC Filter Handler. This manipulation of the argument addEffect causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used.
SeverityCritical
CVSS9.9
Exploit probability—
ProductA950RG
PublishedNov 4, 2026
First seenNov 4, 2026
Weakness typeCWE-121CWE-121CWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| TOTOLINK A950RG | 4.1.2cu.5268_B20221104 | — |
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