CVE-2026-116504

TOTOLINK A950RG Cloud Upgrade upgrade.so setCloudUpgradeFW command injection

CRITICAL
9.9
CVSS Score
Published: October 26, 2026 at 08:30 PM UTC
Updated: October 27, 2026 at 03:16 PM UTC
1 product affected across 1 vendorA950RG Firmware

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Severity
CRITICAL9.9
Exploit prediction
EPSS 2%
SSVC
PoC

Description

A vulnerability has been found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. This affects the function setCloudUpgradeFW of the file lib/cste_modules/upgrade.so of the component Cloud Upgrade. The manipulation of the argument FileName leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/426402
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/426402/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-116504
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/1022553
Product
Source: cverecord
https://www.totolink.net/

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.9CRITICALVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-77CWE-74

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