CVE-2025-13189
HighCVSS 8.8Exploitation Probability (EPSS)
Elevated risk61th percentile - higher than 61% of all known CVEs
Summary
A vulnerability was found in D-Link DIR-816L version 2_06_b09_beta in the genacgi_main function of gena.cgi. Manipulation of the SERVER_ID/HTTP_SID arguments leads to a stack-based buffer overflow. The attack can be carried out remotely, the exploit has been publicly disclosed, and the vulnerability only affects products no longer supported by the maintainer.
Risk Assessment
A remote attacker could exploit the buffer overflow to destabilize the device or potentially execute code. Lack of vendor support means no official fix is available.
Recommendation
Replace the D-Link DIR-816L with a newer, supported model or isolate it from internet access. Do not rely on patching, as the product is no longer maintained.
Other vulnerabilities in D-Link DIR-816L
See all- CVE-2025-13188Critical
D-Link DIR-816L version 2_06_b09_beta contains a stack-based buffer overflow vulnerability in the function authenticationcgi_main of the file /authentication.cgi. Manipulation of the argument Password results in stack-based buffer overflow. Remote exploitation is possible, and the exploit is public. This vulnerability only affects products that are no longer supported by the maintainer.
- CVE-2025-9727Medium
A weakness was identified in D-Link DIR-816L version 206b01 in the soapcgi_main function of /soap.cgi. Manipulating the service argument leads to OS command injection. The attack can be performed remotely and the exploit is publicly available.
- CVE-2025-13191High
A vulnerability was found in D-Link DIR-816L version 2_06_b09_beta in the soapcgi_main function of /soap.cgi, causing a stack-based buffer overflow. The attack can be carried out remotely, and the exploit has been publicly disclosed. This vulnerability only affects products no longer supported by the maintainer.
- CVE-2025-13190High
D-Link DIR-816L 2_06_b09_beta is affected by a stack-based buffer overflow in the scandir_main function of /portal/__ajax_exporer.sgi via manipulation of the en argument. The attack can be performed remotely and a public exploit exists.
Original NVD description (English source)
A vulnerability has been found in D-Link DIR-816L 2_06_b09_beta. This affects the function genacgi_main of the file gena.cgi. The manipulation of the argument SERVER_ID/HTTP_SID leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

