CVE-2025-10838CWE-119CWE-120

CVE-2025-10838

High · published September 23, 2025

CVSS v3.1
8.8
EPSS
1%
Percentile
64.2
In the wild
Unconfirmed
What it is

A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function sub_45BB10 of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

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
0.01057 · 64.2th 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
2025-09-23T09:15Z
Affected products (1)
ProductVersionsFixed in
tenda/ac21_firmware≤ 16.03.08.16—
References (6)
https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC21/Tenda%20AC21%20Buffer%20overflow.md · [email protected]https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC21/Tenda%20AC21%20Buffer%20overflow.md#poc · [email protected]https://vuldb.com/?ctiid.325200 · [email protected]https://vuldb.com/?id.325200 · [email protected]https://vuldb.com/?submit.657126 · [email protected]https://www.tenda.com.cn/ · [email protected]
EPSS history
Timeline
  • 23 SEP 04:32Z
    Tenda AC21 WifiExtraSet sub_45BB10 buffer overflow
    cvelistv5