CVE-2025-9780

7.4 highEPSS 0.7%

High (7.4) in totolink a702r firmware. EPSS 0.7% chance of exploitation in the next 30 days.

A flaw has been found in TOTOLINK A702R 4.0.0-B20211108.1423. Affected by this issue is the function sub_419BE0 of the file /boafrm/formIpQoS. This manipulation of the argument mac causes buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used.

Severity

CVSS 4.0

7.4 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

CVSS 3.1

8.8 high

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWEs: CWE-119, CWE-120
Published: 2025-09-01
Modified: 2026-09-26
Record from: the NVD, synced 2026-10-19

Affected

totolink:a702r_firmware

References

https://github.com/rew1X/CVE/blob/main/TOTOLINK/A702R/formIpQoS/formIpQoS.md
https://github.com/rew1X/CVE/blob/main/TOTOLINK/A702R/formIpQoS/formIpQoS.md#poc
https://vuldb.com/?ctiid.322082
https://vuldb.com/?id.322082
https://vuldb.com/?submit.640988

Check your stack JSON