CVE-2025-63462 — HIGH (7.5)

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Totolink	A7000R Firmware	9.1.0u.6115_b20201022
Totolink	A7000R	-

Related Weaknesses (CWE)

CWE-121

References

https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/A7000/3/1.mdExploitThird Party Advisory
https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/A7000/3/1.mdExploitThird Party Advisory

FAQ

What is CVE-2025-63462?

CVE-2025-63462 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...

How severe is CVE-2025-63462?

CVE-2025-63462 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-63462?

Check the references section above for vendor advisories and patch information. Affected products include: Totolink A7000R Firmware, Totolink A7000R.