CVE-2025-10838

moderate-risk
Published 2025-09-23

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.

Do I need to act?

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0.37% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Tenda

References (6)

Exploit https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC21/Tenda%20AC21%20Buf...
Exploit https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC21/Tenda%20AC21%20Buf...
Permissions Required https://vuldb.com/?ctiid.325200
Third Party Advisory https://vuldb.com/?id.325200
Third Party Advisory https://vuldb.com/?submit.657126
Product https://www.tenda.com.cn/
36
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal