CVE-2025-4833 - CVE House
Back to Database
Status published High CVE-2025-4833

TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formNtp buffer overflow

Vulnerability Description

A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615 and classified as critical. This issue affects some unknown processing of the file /boafrm/formNtp of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be initiated 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-2025-4833

Credits & Attribution

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

  • DaddyShark (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

A702R, A3002R, A3002RU
Vulnerable Versions:
3.0.0-B20230809.1615

Timeline

Official Publish: May 17th, 2025
Last Modified: May 19th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

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

Weaknesses (CWE)

CWE-120 CWE-119

MITRE ATT&CK TTPs

T1203 Exploitation for Client Execution
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control