CVE-2025-4270 - CVE House
Back to Database
Status published Medium CVE-2025-4270

TOTOLINK A720R Config cstecgi.cgi information disclosure

Vulnerability Description

A vulnerability was found in TOTOLINK A720R 4.1.5cu.374. It has been classified as problematic. Affected is an unknown function of the file /cgi-bin/cstecgi.cgi of the component Config Handler. The manipulation of the argument topicurl with the input getInitCfg/getSysStatusCfg leads to information disclosure. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-4270

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • 153528990 (VulDB User)

References

More from TOTOLINK

View All →
CVE-2025-9935
TOTOLINK N600R cstecgi.cgi sub_4159F8 command injection
Medium 6.9
CVE-2025-9934
TOTOLINK X5000R cstecgi.cgi sub_410C34 command injection
Medium 5.3
CVE-2025-9783
TOTOLINK A702R formParentControl sub_418030 buffer overflow
High 8.7
CVE-2025-9782
TOTOLINK A702R formOneKeyAccessButton sub_4466F8 buffer overflow
High 8.7
CVE-2025-9781
TOTOLINK A702R formFilter sub_4162DC buffer overflow
High 8.7

Affected Vendor

Affected Software

A720R
Vulnerable Versions:
4.1.5cu.374

Timeline

Official Publish: May 5th, 2025
Last Modified: May 5th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

CWE-200 CWE-284

MITRE ATT&CK TTPs

T1213 Data from Information Repositories
Collection
T1005 Data from Local System
Collection
T1552 Unsecured Credentials
Credential Access
T1041 Exfiltration Over C2 Channel
Exfiltration
T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1078 Valid Accounts
Persistence
T1565.002 Stored Data Manipulation
Impact