CVE-2025-9781 — HIGH (8.8) — White Hats Nepal

Vulnerability Description

A vulnerability has been found in TOTOLINK A702R 4.0.0-B20211108.1423. This affects the function sub_4162DC of the file /boafrm/formFilter. Such manipulation of the argument ip6addr leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

CVSS Score

8.8

HIGH

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

Affected Products

Vendor	Product	Versions
Totolink	A702R Firmware	4.0.0-b20211108.1423
Totolink	A702R	-

Related Weaknesses (CWE)

CWE-120 CWE-119

References

https://github.com/rew1X/CVE/blob/main/TOTOLINK/A702R/formFilter/formFilter.mdBroken Link
https://github.com/rew1X/CVE/blob/main/TOTOLINK/A702R/formFilter/formFilter.md#pBroken Link
https://vuldb.com/?ctiid.322083Permissions Required
https://vuldb.com/?id.322083Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.640989Third Party AdvisoryVDB Entry
https://www.totolink.net/Product

FAQ

What is CVE-2025-9781?

CVE-2025-9781 is a vulnerability with a CVSS score of 8.8 (HIGH). A vulnerability has been found in TOTOLINK A702R 4.0.0-B20211108.1423. This affects the function sub_4162DC of the file /boafrm/formFilter. Such manipulation of the argument ip6addr leads to buffer ov...

How severe is CVE-2025-9781?

CVE-2025-9781 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-9781?

Check the references section above for vendor advisories and patch information. Affected products include: Totolink A702R Firmware, Totolink A702R.