CVE-2026-116506— TOTOLINK A950RG firewall.so apmib_set command injection

Quick assessment

Affected

TOTOLINK A950RG

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.

已在 TOTOLINK A950RG 固件版本 4.1.2cu.5268_B20221104 中发现一个漏洞。该漏洞位于防火墙模块文件 firewall.so 中的 apmib_set 函数，攻击者可通过操纵该函数引发命令注入。此攻击可远程发起，且利用方法已公开披露，可能被恶意利用。

CVSS 9.9 · Critical Updated Oct 27, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Get alerts for future matching vulnerabilities Log in to subscribe

Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!

View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title

TOTOLINK A950RG firewall.so apmib_set command injection

Source: CVE Program / CVE List V5

Vulnerability Description

A vulnerability was determined in TOTOLINK A950RG 4.1.2cu.5268_B20221104. Affected is the function apmib_set of the file firewall.so. This manipulation causes command injection. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

在命令中使用的特殊元素转义处理不恰当(命令注入)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
TOTOLINK	A950RG	4.1.2cu.5268_B20221104	`cpe:2.3:o:totolink:a950rg_firmware::::::::`

II. Public POCs for CVE-2026-116506

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-116506

请登录查看更多情报信息。

Other References for CVE-2026-116506 (4)

https://gist.github.com/H3rmesk1t/1046036a8601e93f375754e11307bfc8 exploit
https://vuldb.com/cve/CVE-2026-116506 third-party-advisory
https://vuldb.com/vuln/426404/cti signature permissions-required
https://vuldb.com/submit/1022555 third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-116506

Same Patch Batch · TOTOLINK · 2026-10-26 · 5 CVEs total

CVE-2026-116508	10.0 CRITICAL	TOTOLINK A950RG Device-Information CGI infostat.cgi sub_402340 stack-based overflow
CVE-2026-116504	9.9 CRITICAL	TOTOLINK A950RG Cloud Upgrade upgrade.so setCloudUpgradeFW command injection
CVE-2026-116505	9.1 CRITICAL	TOTOLINK A950RG device-information udhcpd.leases getDeviceInfo command injection
CVE-2026-116507	5.3 MEDIUM	TOTOLINK A950RG global.so getLanguageCfg information disclosure

IV. Related Vulnerabilities

Same product: A950RG

Same vendor: TOTOLINK

Same weakness: CWE-77