CVE-2025-8137: a702r Buffer Overflow — Exploit

Description

A vulnerability has been found in TOTOLINK A702R 4.0.0-B20230721.1521 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /boafrm/formIpQoS of the component HTTP POST Request Handler. The manipulation of the argument mac leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

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CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
totolink	a702r_firmware	All
totolink	a702r	All

References

Exploits

https://github.com/panda666-888/vuls/blob/main/totolink/a702r/formIpQoS.md

Other References

https://vuldb.com/?ctiid.317533 https://vuldb.com/?id.317533 https://vuldb.com/?submit.620483 https://www.totolink.net/

Frequently Asked Questions

What is CVE-2025-8137? +

A vulnerability has been found in TOTOLINK A702R 4.0.0-B20230721.1521 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /boafrm/formIpQoS of the component HTTP POST Request Handler. The manipulation of the argument mac leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-8137? +

CVE-2025-8137 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-8137? +

CVE-2025-8137 affects products from totolink, specifically: a702r, a702r_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-8137? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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