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Vulnerability record · CVE-2025-28220 · published 28 March 2025

CVE-2025-28220: Tenda w6-s firmware classic buffer overflow vulnerability

Tenda · W6 S Firmware

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.

7.5 CVSS 3.1 High EPSS 0.47% · top 62.0% CWE-120 · Classic buffer overflow
7.5CVSS 3.1 base score
0.47%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/IdaJea/IOT_vuln_1/blob/master/w6_s_v1.0.0.4/setcfm.pdf Broken Link

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-45497Tenda w6-s firmware os command injection vulnerabilityTenda W6-S v1.0.0.4(510) was discovered to contain a command injection vulnerability in the tpi_get_ping_output function at /goform/exeCommand.EPSS 2.5%8.9CVE-2025-15255Tenda w6-s firmware memory buffer overflow vulnerabilityA 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 R7websSsecurityHa…EPSS 4.7%7.5CVE-2025-28221Tenda w6-s firmware classic buffer overflow vulnerabilityTenda 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 v…EPSS 0.47%7.5CVE-2022-45498Tenda w6-s firmware missing authentication for critical function vulnerabilityAn issue in the component tpi_systool_handle(0) (/goform/SysToolReboot) of Tenda W6-S v1.0.0.4(510) allows unauthenticated attackers to arbitrarily r…EPSS 0.84%7.5CVE-2022-45499Tenda w6-s firmware out-of-bounds write vulnerabilityTenda W6-S v1.0.0.4(510) was discovered to contain a stack overflow via the wl_radio parameter at /goform/WifiMacFilterGet.EPSS 0.87%7.5CVE-2022-45501Tenda w6-s firmware out-of-bounds write vulnerabilityTenda W6-S v1.0.0.4(510) was discovered to contain a stack overflow via the wl_radio parameter at /goform/wifiSSIDset.EPSS 0.87%7.5CVE-2022-45503Tenda w6-s firmware out-of-bounds write vulnerabilityTenda W6-S v1.0.0.4(510) was discovered to contain a stack overflow via the linkEn parameter at /goform/setAutoPing.EPSS 0.87%7.5CVE-2022-45504Tenda w6-s firmware missing authentication for critical function vulnerabilityAn issue in the component tpi_systool_handle(0) (/goform/SysToolRestoreSet) of Tenda W6-S v1.0.0.4(510) allows unauthenticated attackers to arbitrari…EPSS 18%

Source: NIST National Vulnerability Database (record CVE-2025-28220), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.