https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2025-15255.htmlhttps://patchthecve.com/cve/CVE-2025-15255.htmlWed, 17 Jun 2026 08:37:28 +0000CRITICAL 9.8: A vulnerability was determined in Tenda W6-S 1.0.0.4(510). This impacts an unknown function of the file /bin/httpd of the component R7websSsecurityHandler. Executing a manipulation of the argument Cookie can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has behttps://patchthecve.com/cve/CVE-2025-15254.htmlhttps://patchthecve.com/cve/CVE-2025-15254.htmlWed, 17 Jun 2026 08:37:28 +0000MEDIUM 6.3: A vulnerability was found in Tenda W6-S 1.0.0.4(510). This affects the function TendaAte of the file /goform/ate of the component ATE Service. Performing a manipulation results in os command injection. The attack may be initiated remotely. The exploit has been made public and could be used.https://patchthecve.com/cve/CVE-2025-28221.htmlhttps://patchthecve.com/cve/CVE-2025-28221.htmlWed, 17 Jun 2026 09:04:39 +0000HIGH 7.5: Tenda W6_S v1.0.0.4_510 has a Buffer Overflow vulnerability in the set_local_time function, which allows remote attackers to cause web server crash via parameter time passed to the binary through a POST request.https://patchthecve.com/cve/CVE-2025-28220.htmlhttps://patchthecve.com/cve/CVE-2025-28220.htmlWed, 17 Jun 2026 09:04:39 +0000HIGH 7.5: Tenda W6_S v1.0.0.4_510 has a Buffer Overflow vulnerability in the setcfm function, which allows remote attackers to cause web server crash via parameter funcpara1 passed to the binary through a POST request.