TP-Link AC1350/N300 Radio Scheduling httpd_portal ssid stack-based overflow

Summaryinfo

A vulnerability classified as critical was found in TP-Link AC1350 and N300. Affected by this issue is some unknown functionality of the file httpd_portal of the component Radio Scheduling. The manipulation of the argument ssid results in stack-based overflow. This vulnerability is cataloged as CVE-2023-49906. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in TP-Link AC1350 and N300 (version unknown). It has been classified as critical. Affected is an unknown function of the file httpd_portal of the component Radio Scheduling. The manipulation of the argument ssid with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A stack-based buffer overflow vulnerability exists in the web interface Radio Scheduling functionality of Tp-Link AC1350 Wireless MU-MIMO Gigabit Access Point (EAP225 V3) v5.1.0 Build 20220926. A specially crafted series of HTTP requests can lead to remote code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.This vulnerability refers specifically to the overflow that occurs via the `ssid` parameter at offset `0x0045ab7c` of the `httpd_portal` binary shipped with v5.1.0 Build 20220926 of the EAP225.

The advisory is available at talosintelligence.com. This vulnerability is traded as CVE-2023-49906 since 12/01/2023. The exploitability is told to be easy. It is possible to launch the attack remotely. Additional levels of successful authentication are needed for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/21/2025).

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

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Productinfo

Type

• Router Operating System

Vendor

• TP-Link

Name

• AC1350
• N300

License

• commercial

Website

• Vendor: https://www.tp-link.com/

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