CVE-2026-5830

HIGH

Tenda AC15 SysToolChangePwd websGetVar stack-based overflow

Title source: cna
STIX 2.1

Description

A vulnerability was identified in Tenda AC15 15.03.05.18. This affects the function websGetVar of the file /goform/SysToolChangePwd. Such manipulation of the argument oldPwd/newPwd/cfmPwd leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-356277 | Tenda AC15 SysToolChangePwd websGetVar stack-based overflow
https://vuldb.com/vuln/356277
Signature, Permissions Required signature permissions-required
VDB-356277 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/356277/cti
Third Party Advisory third-party-advisory
Submit #789178 | Tenda AC15 15.03.05.18 Memory Corruption
https://vuldb.com/submit/789178
Product product
https://www.tenda.com.cn/

Scores

CVSS v3 8.8
EPSS 0.0063
EPSS Percentile 45.1%
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
Status published
Products (2)
Tenda/AC15 15.03.05.18
tenda/ac15_firmware 15.03.05.18
Published Apr 09, 2026
Tracked Since Apr 09, 2026