CVE-2026-6121: Tenda F451 httpd WrlclientSet stack-based overflow
Published Apr 12, 2026
·Updated
A flaw has been found in Tenda F451 1.0.0.7. Affected by this vulnerability is the function WrlclientSet of the file /goform/WrlclientSet of the component httpd. This manipulation of the argument GO causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been published and may be used.
Affected Software
3 affected components
Tenda F451=1.0.0.7
All of the following
Tenda F451 Firmware=1.0.0.7
Tenda F451
Event History
Apr 12, 2026
CVE Published
via MITRE·07:15 AM
Data Sourced
via MITRE·07:15 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:16 AM
DescriptionSeverityWeaknessAffected Software
Jul 20, 58298
Event
via FIRST·09:57 PM
Frequently Asked Questions
1
What is the severity of CVE-2026-6121?
CVE-2026-6121 has a severity rating of high with a score of 7.4.
2
How do I fix CVE-2026-6121?
To mitigate CVE-2026-6121, update the Tenda F451 firmware to the latest version provided by the manufacturer.
3
What type of vulnerability is CVE-2026-6121?
CVE-2026-6121 is classified as a stack-based buffer overflow vulnerability.
4
Can CVE-2026-6121 be exploited remotely?
Yes, CVE-2026-6121 can be exploited remotely due to its exposure in the httpd component.
5
What impact does CVE-2026-6121 have on affected systems?
CVE-2026-6121 could lead to denial of service or code execution due to the buffer overflow.