TOTOLINK A3002R 1.1.1-B20200824.0128 /bin/boa formIpv6Setup static_gw buffer overflow

Summaryinfo

A vulnerability classified as critical has been found in TOTOLINK A3002R 1.1.1-B20200824.0128. Impacted is the function formIpv6Setup of the file /bin/boa. Performing a manipulation of the argument static_gw results in buffer overflow. This vulnerability is reported as CVE-2025-25610. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in TOTOLINK A3002R 1.1.1-B20200824.0128. This affects the function formIpv6Setup of the file /bin/boa. The manipulation of the argument static_gw with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

TOTOlink A3002R V1.1.1-B20200824.0128 contains a buffer overflow vulnerability. The vulnerability arises from the improper input validation of the static_gw parameter in the formIpv6Setup interface of /bin/boa.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-25610 since 02/07/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/02/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-5929). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• TOTOLINK

Name

• A3002R

Version

• 1.1.1-B20200824.0128

License

• commercial

Website

• Vendor: https://www.totolink.net/

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CPE 2.2info

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Duplicate

• Submit #XXXXXX: Xxxxxxxx Xxxxxxx_xx Xx.x.x-xxxxxxxxx.xxxx Xxxxxx Xxxxxxxx (by lcyf-fizz)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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