CVE-2026-4974

HIGH

Tenda AC7 POST Request SetSysTimeCfg fromSetSysTime memory corruption

Title source: cna
STIX 2.1

Description

A flaw has been found in Tenda AC7 15.03.06.44. Affected by this issue is the function fromSetSysTime of the file /goform/SetSysTimeCfg of the component POST Request Handler. Executing a manipulation of the argument Time can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-353861 | Tenda AC7 POST Request SetSysTimeCfg fromSetSysTime memory corruption
https://vuldb.com/?id.353861
Signature, Permissions Required signature permissions-required
VDB-353861 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/?ctiid.353861
Third Party Advisory third-party-advisory
Submit #778207 | Tenda AC7 AC7V1.0 V15.03.06.44 Buffer Overflow
https://vuldb.com/?submit.778207
Product product
https://www.tenda.com.cn/

Scores

CVSS v3 8.8
EPSS 0.0063
EPSS Percentile 45.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-121 CWE-787
Status published
Products (2)
Tenda/AC7 15.03.06.44
tenda/ac7_firmware 15.03.06.44
Published Mar 27, 2026
Tracked Since Mar 29, 2026