Vulnerability Monitor

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CVE-2025-9780

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.

Published

2025-09-01T13:15:33.987

Last Modified

2025-09-04T16:42:51.847

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.0

Impact Score

10.0

Weaknesses

Type: Primary
CWE-119
CWE-120

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	totolink	a702r_firmware	4.0.0-b20211108.1423	Yes
Hardware	totolink	a702r	-	No

References

https://github.com/rew1X/CVE/blob/main/TOTOLINK/A702R/formIpQoS/formIpQoS.md Broken Link ([email protected])
https://github.com/rew1X/CVE/blob/main/TOTOLINK/A702R/formIpQoS/formIpQoS.md#poc Broken Link ([email protected])
https://vuldb.com/?ctiid.322082 Permissions Required ([email protected])
https://vuldb.com/?id.322082 Third Party Advisory, VDB Entry ([email protected])
https://vuldb.com/?submit.640988 Third Party Advisory, VDB Entry ([email protected])
https://www.totolink.net/ Product ([email protected])