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CVE-2025-4496

TOTOLINK T10/A3100R/A950RG/A800R/N600R/A3000RU/A810R cstecgi.cgi CloudACMunualUpdate buffer overflow

Published: May 10, 2025Updated: Jul 29, 2025 Sources: CVE List NVD BDUCWE-119
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.9%
Top 43.6%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

A vulnerability was found in TOTOLINK T10, A3100R, A950RG, A800R, N600R, A3000RU and A810R 4.1.8cu.5241_B20210927. It has been declared as critical. This vulnerability affects the function CloudACMunualUpdate of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-119CWE-120

Affected Products

a3000ru firmwaretotolinkNetworking Infrastructure
a810r firmwaretotolinkNetworking Infrastructure
t10 firmwaretotolinkNetworking Infrastructure
a3100r firmwaretotolinkNetworking Infrastructure
a950rg firmwaretotolinkNetworking Infrastructure
totolinkcommercialTWNetworking Infrastructureaka totolink corp.
and 16 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/CH13hh/tmp_store_cc/blob/main/tt/ta/1.md
github.com
https://vuldb.com/?ctiid.308212
vuldb.com
https://vuldb.com/?id.308212
vuldb.com
and 5 more references View all →

Timeline

Published
May 10, 2025
Last Updated
Jul 29, 2025

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