CVE-2025-10838

CWE-119 — Buffer OverflowCWE-120 — Classic Buffer Overflow4 documents4 sources
Severity
7.4HIGH
EPSS
0.4%
top 41.08%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tenda Ac21 FirmwareTenda Ac21
Timeline
PublishedSep 23
Latest updateOct 15

Description

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.

CVSS 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

Affected Packages2 packages

▶NVDtenda/ac21_firmware16.03.08.16
▶CVEListV5tenda/ac2116.03.08.16

🔴Vulnerability Details

2
CVEList
Tenda AC21 WifiExtraSet sub_45BB10 buffer overflow↗2025-09-23
▶
GHSA
GHSA-7h4p-j475-jwh2: A vulnerability was identified in Tenda AC21 16↗2025-09-23
▶

🔍Detection Rules

1
Suricata
ET WEB_SPECIFIC_APPS Tenda WifiExtraSet wpapsk_crypto Parameter Buffer Overflow Attempt (CVE-2025-25663, CVE-2025-10838, CVE-2025-7596, CVE-2025-5799)↗2025-10-15
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