CVE-2025-9779CWE-119CWE-120

CVE-2025-9779

High · published September 1, 2025

CVSS v3.1

8.8

EPSS

Percentile

51.1

In the wild

Unconfirmed

What it is

A vulnerability was detected in TOTOLINK A702R 4.0.0-B20211108.1423. Affected by this vulnerability is the function sub_4162DC of the file /boafrm/formFilter. The manipulation of the argument ip6addr results in buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be used.

The record

Technical detail

CVSS v3.1: 8.8 · HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0: Not supplied
EPSS: 0.00664 · 51.1th percentile
Weaknesses: CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published: 2025-09-01T17:15Z

Affected products (1)

Product	Versions	Fixed in
totolink/a702r_firmware	all versions	—

References (6)

https://github.com/rew1X/CVE/blob/main/TOTOLINK/A702R/formFilter/formFilter.md · [email protected]https://github.com/rew1X/CVE/blob/main/TOTOLINK/A702R/formFilter/formFilter.md#poc · [email protected]https://vuldb.com/?ctiid.322081 · [email protected]https://vuldb.com/?id.322081 · [email protected]https://vuldb.com/?submit.640987 · [email protected]https://www.totolink.net/ · [email protected]

EPSS history

Timeline

01 SEP 12:32Z
TOTOLINK A702R formFilter sub_4162DC buffer overflow
cvelistv5