CVE-2026-116504

TOTOLINK A950RG Cloud Upgrade upgrade.so setCloudUpgradeFW command injection

Published Oct 26, 2026 CVSS 4.0 · 9.4 Critical EPSS 1.5% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Totolink a950rg
Vendors & Products Totolink a950rg
Type Values Removed Values Added
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.
Title TOTOLINK A950RG Cloud Upgrade upgrade.so setCloudUpgradeFW command injection
First Time appeared Totolink
Totolink a950rg Firmware
Weaknesses CWE-74
CWE-77
CPEs cpe:2.3:o:totolink:a950rg_firmware:*:*:*:*:*:*:*:*
Vendors & Products Totolink
Totolink a950rg Firmware
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 9.9, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Oct 27, 2026, 2:18 PM
Reserved
Oct 26, 2026, 1:13 PM
Status
Deferred
Published
Oct 26, 2026, 9:18 PM
Modified
Oct 27, 2026, 3:16 PM