CVE-2025-9782: a702r Buffer Overflow (CVSS 8.8)

Description

A vulnerability was found in TOTOLINK A702R 4.0.0-B20211108.1423. This vulnerability affects the function sub_4466F8 of the file /boafrm/formOneKeyAccessButton. Performing manipulation of the argument submit-url results in buffer overflow. The attack may be initiated remotely. The exploit has been made public and could 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

Other References

https://github.com/rew1X/CVE/blob/main/TOTOLINK/A702R/formOneKeyAccessButton/formOneKeyAccessButton.md https://github.com/rew1X/CVE/blob/main/TOTOLINK/A702R/formOneKeyAccessButton/formOneKeyAccessButton.md#poc https://vuldb.com/?ctiid.322084 https://vuldb.com/?id.322084 https://vuldb.com/?submit.640990 https://www.totolink.net/

Frequently Asked Questions

What is CVE-2025-9782? +

A vulnerability was found in TOTOLINK A702R 4.0.0-B20211108.1423. This vulnerability affects the function sub_4466F8 of the file /boafrm/formOneKeyAccessButton. Performing manipulation of the argument submit-url results in buffer overflow. The attack may be initiated remotely. The exploit has been made public and could be used. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-9782? +

CVE-2025-9782 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-2025-9782? +

CVE-2025-9782 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-2025-9782? +

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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