CVE-2025-63462

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-63462
Totolink A7000R v9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the wifiOff parameter in the sub_421A04 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/A7000/3/1.md Exploit Third Party Advisory
https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/A7000/3/1.md Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:totolink:a7000r_firmware:9.1.0u.6115_b20201022:*:*:*:*:*:*:*
cpe:2.3:h:totolink:a7000r:-:*:*:*:*:*:*:*
History

05 Nov 2025, 17:29

Type Values Removed Values Added
CPE cpe:2.3:o:totolink:a7000r_firmware:9.1.0u.6115_b20201022:*:*:*:*:*:*:*
cpe:2.3:h:totolink:a7000r:-:*:*:*:*:*:*:*
References () https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/A7000/3/1.md - () https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/A7000/3/1.md - Exploit, Third Party Advisory
First Time Totolink
Totolink a7000r Firmware
Totolink a7000r

03 Nov 2025, 15:15

Type Values Removed Values Added
References () https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/A7000/3/1.md - () https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/A7000/3/1.md -
CWE CWE-121
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5

31 Oct 2025, 17:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-10-31 17:15

Updated : 2025-11-05 17:29

NVD link : CVE-2025-63462

Mitre link : CVE-2025-63462

CVE.ORG link : CVE-2025-63462

JSON object : View

Products Affected

totolink

  • a7000r_firmware
  • a7000r
CWE
CWE-121

Stack-based Buffer Overflow