CVE-2026-2930CWE-119CWE-121

Tenda A18 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow

Medium · published February 22, 2026

CVSS v4.0
5.3
EPSS
1%
Percentile
50.8
In the wild
Unconfirmed
What it is

A vulnerability was identified in Tenda A18 15.13.07.13. The affected element is the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. Such manipulation of the argument boundary leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00656 · 50.8th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-02-22T06:02Z
EPSS history
Timeline
  • 22 FEB 06:02Z
    Tenda A18 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow
    cvelistv5