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Vulnerability record · CVE-2022-28561 · published 3 May 2022

CVE-2022-28561: Tenda ax12 firmware out-of-bounds write vulnerability

Tenda · Ax12 Firmware

There is a stack overflow vulnerability in the /goform/setMacFilterCfg function in the httpd service of Tenda ax12 22.03.01.21_cn router. An attacker can obtain a stable shell through a carefully constructed payload

9.8 CVSS 3.1 Critical EPSS 10% · top 4.5% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score, v2 10.0
10%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

There is a stack overflow vulnerability in the /goform/setMacFilterCfg function in the httpd service of Tenda ax12 22.03.01.21_cn router. An attacker can obtain a stable shell through a carefully constructed payload

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

Affected products

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

References

LinkTags
https://github.com/iot-firmeware/-Router-vulnerability/tree/main/AX12 ExploitThird Party Advisory
https://github.com/iot-firmeware/-Router-vulnerability/tree/main/AX12 ExploitThird Party Advisory

Track CVE-2022-28561 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Related vulnerabilities

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

9.8CVE-2024-28383Tenda ax12 firmware stack-based buffer overflow vulnerabilityTenda AX12 v1.0 v22.03.01.16 was discovered to contain a stack overflow via the ssid parameter in the sub_431CF0 function.EPSS 0.82%9.8CVE-2023-49425Tenda ax12 firmware out-of-bounds write vulnerabilityTenda AX12 V22.03.01.46 was discovered to contain a stack overflow via the deviceList parameter at /goform/setMacFilterCfg .EPSS 0.92%9.8CVE-2023-49426Tenda ax12 firmware out-of-bounds write vulnerabilityTenda AX12 V22.03.01.46 was discovered to contain a stack overflow via the list parameter at /goform/SetStaticRouteCfg.EPSS 0.92%9.8CVE-2023-49428Tenda ax12 firmware command injection vulnerabilityTenda AX12 V22.03.01.46 has been discovered to contain a command injection vulnerability in the 'mac' parameter at /goform/SetOnlineDevName.EPSS 2.5%9.8CVE-2023-49437Tenda ax12 firmware command injection vulnerabilityTenda AX12 V22.03.01.46 has been discovered to contain a command injection vulnerability in the 'list' parameter at /goform/SetNetControlList.EPSS 2.4%9.8CVE-2023-49424Tenda ax12 firmware out-of-bounds write vulnerabilityTenda AX12 V22.03.01.46 was discovered to contain a stack overflow via the list parameter at /goform/SetVirtualServerCfg.EPSS 0.92%9.8CVE-2022-45995Tenda ax12 firmware classic buffer overflow vulnerabilityThere is an unauthorized buffer overflow vulnerability in Tenda AX12 v22.03.01.21 _ cn. This vulnerability can cause the web service not to restart o…EPSS 1.1%9.8CVE-2022-28082Tenda ax12 firmware out-of-bounds write vulnerabilityTenda AX12 v22.03.01.21_CN was discovered to contain a stack overflow via the list parameter at /goform/SetNetControlList.EPSS 8.9%

Source: NIST National Vulnerability Database (record CVE-2022-28561), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.