---
id: CVE-2026-116505
title: >-
  TOTOLINK A950RG device-information udhcpd.leases getDeviceInfo command
  injection
summary: >-
  A vulnerability was found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. This
  impacts the function getDeviceInfo of the file /var/lib/misc/udhcpd.leases of
  the component device-information Handler. The manipulation of the argument MAC
  addres…
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'
cvssSource: cna
cwe:
  - CWE-77
  - CWE-74
vendor: TOTOLINK
product: A950RG
affected:
  - A950RG 4.1.2cu.5268_B20221104
published: '2026-10-26'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T20:45:18.066Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116505'
references:
  - url: 'https://vuldb.com/vuln/426403'
    label: >-
      VDB-426403 | TOTOLINK A950RG device-information udhcpd.leases
      getDeviceInfo command injection
  - url: 'https://vuldb.com/vuln/426403/cti'
    label: 'VDB-426403 | CTI Indicators (IOB, IOC, TTP, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-116505'
    label: CVE-2026-116505 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1022554'
    label: >-
      Submit #1022554 | TOTOLINK A950RG V4.1.2cu.5268_B20221104 Command
      Injection
  - url: 'https://gist.github.com/H3rmesk1t/836a8c4be24fcc4b7041b4bbe9cbb178'
  - url: 'https://www.totolink.net/'
tags:
  - cve.org
epss: 0.02741
epssPercentile: 0.86089
ingestedAt: '2026-10-27T16:11:59.110Z'
---

## Overview

A vulnerability was found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. This impacts the function getDeviceInfo of the file /var/lib/misc/udhcpd.leases of the component device-information Handler. The manipulation of the argument MAC address results in command injection. The attack can be launched remotely. The exploit has been made public and could be used.

## Affected

- `A950RG 4.1.2cu.5268_B20221104`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.