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CVE-2026-110957— Wavlink WL-WN530BE2-A Login Processing api.cgi sub_12580 os command injection

Quick assessment

Affected
Wavlink WL-WN530BE2-A
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Wavlink WL-WN530BE2-A（固件版本直至 M30BE2_V250604）中存在一项安全漏洞。受影响的功能是 api.cgi 文件中的 sub_12580，属于“登录处理”组件。该漏洞源于对参数 REMOTE_ADDR 的操作不当，可导致操作系统命令注入。攻击者可以远程发起攻击。相关漏洞细节已公开披露，并可被利用。 修复该问题只需将固件升级至版本 2026-09-24-841a51c6d5_tclinux.bin 即可。建议尽快对受影响组件进行升级。 厂商确认：“我们已确认此漏洞，并已修复。在最新固件

CVSS 10.0 · Critical EPSS 3.46% · P89

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
Wavlink WL-WN530BE2-A M30BE2_V250604 affected
2026-09-24-841a51c6d5_tclinux.bin unaffected
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I. Basic Information for CVE-2026-110957

Vulnerability Information
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Vulnerability Title
Wavlink WL-WN530BE2-A Login Processing api.cgi sub_12580 os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Wavlink WL-WN530BE2-A up to M30BE2_V250604. The affected element is the function sub_12580 of the file api.cgi of the component Login Processing. The manipulation of the argument REMOTE_ADDR leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2026-09-24-841a51c6d5_tclinux.bin is sufficient to fix this issue. You should upgrade the affected component. The vendor confirms: "We confirm the finding, and it has already been addressed. In the current firmware the api=info&client=app handler no longer builds a shell command: the login script is now invoked through an argument vector (execvp) instead of system(), and the client address is length-limited and null-checked."
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Wavlink WL-WN530BE2-A M30BE2_V250604 cpe:2.3:a:wavlink:wl-wn530be2-a:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-110957

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III. Intelligence Information for CVE-2026-110957

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Other References for CVE-2026-110957 (1)

Other References for CVE-2026-110957 (1)

IV. Related Vulnerabilities

Same vendor: Wavlink
Same weakness: CWE-78

V. Comments for CVE-2026-110957

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