A weakness has been identified in Tenda AC8 up to 16.03.50.11. This vulnerability affects the function doSystemCmd of the file /goform/SysToolChangePwd of the component HTTP Endpoint. This manipulation of the argument local_2c causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
PUBLISHED5.2Operating systemCWE-121CWE-119
Tenda AC8 HTTP Endpoint SysToolChangePwd doSystemCmd stack-based overflow
Problem type
Affected products
Tenda
AC8
16.03.50.0 - AFFECTED
16.03.50.1 - AFFECTED
16.03.50.2 - AFFECTED
16.03.50.3 - AFFECTED
16.03.50.4 - AFFECTED
16.03.50.5 - AFFECTED
16.03.50.6 - AFFECTED
16.03.50.7 - AFFECTED
16.03.50.8 - AFFECTED
16.03.50.9 - AFFECTED
16.03.50.10 - AFFECTED
16.03.50.11 - AFFECTED
References
VDB-351212 | Tenda AC8 HTTP Endpoint SysToolChangePwd doSystemCmd stack-based overflow
https://vuldb.com/?id.351212
VDB-351212 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/?ctiid.351212
Submit #771773 | Tenda AC8 V5 V16.03.50.11 Buffer Overflow
https://vuldb.com/?submit.771773
github.com
https://github.com/digitalandrew/tenda_ac8_v5/blob/main/CVE_Report_Tenda_AC8_SysToolChangePwd_BOF.md
tenda.com.cn
https://www.tenda.com.cn/
GitHub Security Advisories
GHSA-7ppq-fx8r-g889
A weakness has been identified in Tenda AC8 up to 16.03.50.11. This vulnerability affects the...
https://github.com/advisories/GHSA-7ppq-fx8r-g889A weakness has been identified in Tenda AC8 up to 16.03.50.11. This vulnerability affects the function doSystemCmd of the file /goform/SysToolChangePwd of the component HTTP Endpoint. This manipulation of the argument local_2c causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2026-4254
github.com
https://github.com/digitalandrew/tenda_ac8_v5/blob/main/CVE_Report_Tenda_AC8_SysToolChangePwd_BOF.md
vuldb.com
https://vuldb.com/?ctiid.351212
vuldb.com
https://vuldb.com/?id.351212
vuldb.com
https://vuldb.com/?submit.771773
tenda.com.cn
https://www.tenda.com.cn
github.com
https://github.com/advisories/GHSA-7ppq-fx8r-g889
JSON source
https://cveawg.mitre.org/api/cve/CVE-2026-4254Click to expand
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