CVE-2025-11091CWE-119CWE-120

CVE-2025-11091

High · published September 28, 2025

CVSS v3.1
8.8
EPSS
1%
Percentile
54.6
In the wild
Unconfirmed
What it is

A security flaw has been discovered in Tenda AC21 up to 16.03.08.16. Affected by this vulnerability is the function sscanf of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be exploited.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00753 · 54.6th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2025-09-28T06:15Z
Affected products (1)
ProductVersionsFixed in
tenda/ac21_firmware≤ 16.03.08.16—
References (6)
https://github.com/maximdevere/CVE2/issues/2 · [email protected]https://vuldb.com/?ctiid.326173 · [email protected]https://vuldb.com/?id.326173 · [email protected]https://vuldb.com/?submit.661806 · [email protected]https://www.tenda.com.cn/ · [email protected]https://github.com/maximdevere/CVE2/issues/2 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 28 SEP 01:32Z
    Tenda AC21 SetStaticRouteCfg sscanf buffer overflow
    cvelistv5