Skip to main content

A702r Firmware CVE-2025-6940

| EUVDEUVD-2025-19600 HIGH
Buffer Overflow (CWE-119)
2025-07-01 cna@vuldb.com
Buffer Overflow A702r Firmware TOTOLINK
8.8
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
EUVD ID Assigned
Mar 16, 2026 - 01:42 euvd
EUVD-2025-19600
Analysis Generated
Mar 16, 2026 - 01:42 vuln.today
PoC Detected
Jul 07, 2025 - 14:41 vuln.today
Public exploit code
CVE Published
Jul 01, 2025 - 03:15 nvd
HIGH 8.8

DescriptionCVE.org

A vulnerability classified as critical was found in TOTOLINK A702R 4.0.0-B20230721.1521. Affected by this vulnerability is an unknown functionality of the file /boafrm/formParentControl of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Analysis

A vulnerability classified as critical was found in TOTOLINK A702R 4.0.0-B20230721.1521. Affected by this vulnerability is an unknown functionality of the file /boafrm/formParentControl of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Technical ContextAI

A buffer overflow occurs when data written to a buffer exceeds its allocated size, potentially overwriting adjacent memory and corrupting program state.

RemediationAI

Use memory-safe languages or bounds-checked functions. Enable ASLR, DEP/NX, and stack canaries. Apply vendor patches promptly.

More in A702r Firmware

View all
CVE-2025-6393 HIGH POC
8.8 Jun 21

CVE-2025-6393 is a critical buffer overflow vulnerability in the HTTP POST request handler of TOTOLINK routers affecting
CVE-2025-6147 HIGH POC
8.8 Jun 17

Critical buffer overflow vulnerability in TOTOLINK A702R router firmware (version 4.0.0-B20230721.1521) affecting the HT
CVE-2025-6825 HIGH POC
8.8 Jun 28

A vulnerability classified as critical was found in TOTOLINK A702R up to 4.0.0-B20230721.1521. Affected by this vulnerab
CVE-2025-6627 HIGH POC
8.8 Jun 25

A buffer overflow vulnerability in A vulnerability (CVSS 8.8). Risk factors: public PoC available.
CVE-2025-9781 HIGH POC
7.4 Sep 01

A vulnerability has been found in TOTOLINK A702R 4.0.0-B20211108.1423. Rated high severity (CVSS 7.4), this vulnerabilit
CVE-2025-9783 HIGH POC
7.4 Sep 01

A vulnerability was determined in TOTOLINK A702R 4.0.0-B20211108.1423. Rated high severity (CVSS 7.4), this vulnerabilit
CVE-2025-9782 HIGH POC
7.4 Sep 01

A vulnerability was found in TOTOLINK A702R 4.0.0-B20211108.1423. Rated high severity (CVSS 7.4), this vulnerability is

CVE-2025-9780 HIGH POC
7.4 Sep 01

A flaw has been found in TOTOLINK A702R 4.0.0-B20211108.1423. Rated high severity (CVSS 7.4), this vulnerability is remo
CVE-2025-9779 HIGH POC
7.4 Sep 01

A vulnerability was detected in TOTOLINK A702R 4.0.0-B20211108.1423. Rated high severity (CVSS 7.4), this vulnerability

CVE-2025-4835 HIGH
8.7 May 17

A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. Rated high severity (CVSS 8.7), th
CVE-2025-4834 HIGH
8.7 May 17

A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. Rated high severity (CVSS 8.7), th
CVE-2025-4833 HIGH
8.7 May 17

A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615 and classified as critical. Rated h

Same weakness CWE-119 – Buffer Overflow

View all
CVE-2017-11882 HIGH POC
7.8
CVE-2014-6332 HIGH POC
8.8
CVE-2023-4966 CRITICAL POC
9.4
CVE-2015-2426 HIGH POC
8.8
CVE-2013-3918 HIGH POC
8.8
CVE-2017-11774 HIGH POC
7.8
CVE-2013-3660 HIGH POC
7.8
CVE-2017-6736 HIGH POC
8.8

Same technique Buffer Overflow

View all
CVE-2017-7269 CRITICAL POC
9.8
CVE-2015-5119 CRITICAL POC
9.8
CVE-2015-3113 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2009-0927 HIGH POC
8.8
CVE-2012-1889 HIGH POC
8.8
CVE-2017-11882 HIGH POC
7.8
CVE-2010-3333 HIGH POC
7.8

Share

CVE-2025-6940 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy