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

Summaryinfo

A vulnerability has been found in TP-Link AC1350 and N300 and classified as critical. This issue affects some unknown processing of the file httpd_portal of the component Radio Scheduling. Performing a manipulation of the argument action results in stack-based overflow. This vulnerability is reported as CVE-2023-49909. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in TP-Link AC1350 and N300 (the affected version unknown). This affects an unknown part of the file httpd_portal of the component Radio Scheduling. The manipulation of the argument action 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. The summary by CVE is:

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 `action` parameter at offset `0x0045ab38` of the `httpd_portal` binary shipped with v5.1.0 Build 20220926 of the EAP225.

The advisory is shared at talosintelligence.com. This vulnerability is uniquely identified as CVE-2023-49909 since 12/01/2023. The exploitability is told to be easy. It is possible to initiate the attack remotely. Additional levels of successful authentication are required for exploitation. 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 08/21/2025).

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

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

Productinfo

Type

• Router Operating System

Vendor

• TP-Link

Name

• AC1350
• N300

License

• commercial

Website

• Vendor: https://www.tp-link.com/

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

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