CVE-2026-2876CWE-119CWE-121

Tenda A18 setBlackRule parse_macfilter_rule stack-based overflow

High · published February 21, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
64.7
In the wild
Unconfirmed
What it is

A vulnerability was determined in Tenda A18 15.13.07.13. This affects the function parse_macfilter_rule of the file /goform/setBlackRule. This manipulation of the argument deviceList causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.01076 · 64.7th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-02-21T17:32Z
EPSS history
Timeline
  • 21 FEB 17:32Z
    Tenda A18 setBlackRule parse_macfilter_rule stack-based overflow
    cvelistv5