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.
Published: 2025-09-23
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-30827 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.
History

Fri, 03 Oct 2025 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Tenda ac21 Firmware
CPEs cpe:2.3:h:tenda:ac21:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac21_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tenda ac21 Firmware

Tue, 23 Sep 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 23 Sep 2025 16:15:00 +0000

Type Values Removed Values Added
First Time appeared Tenda
Tenda ac21
Vendors & Products Tenda
Tenda ac21

Tue, 23 Sep 2025 04:45:00 +0000

Type Values Removed Values Added
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.
Title Tenda AC21 WifiExtraSet sub_45BB10 buffer overflow
Weaknesses CWE-119
CWE-120
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, '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/E:P'}


Subscriptions

Tenda Ac21 Ac21 Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2025-09-23T19:12:30.355Z

Reserved: 2025-09-22T05:10:13.621Z

Link: CVE-2025-10838

cve-icon Vulnrichment

Updated: 2025-09-23T19:12:26.937Z

cve-icon NVD

Status : Analyzed

Published: 2025-09-23T05:15:35.010

Modified: 2025-10-03T15:09:55.663

Link: CVE-2025-10838

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-09-23T16:03:29Z

Weaknesses