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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.

In D-Link DIR-816L 2_06_b09_beta wurde eine Schwachstelle gefunden. Es betrifft die Funktion genacgi_main der Datei gena.cgi. Mittels Manipulieren des Arguments SERVER_ID/HTTP_SID mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann remote ausgeführt werden. Der Exploit ist öffentlich verfügbar und könnte genutzt werden.

PUBLISHED Reserved 2025-11-14 | Published 2025-11-15 | Updated 2025-11-17 | Assigner VulDB




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Stack-based Buffer Overflow

Memory Corruption

Product status

2_06_b09_beta
affected

Timeline

2025-11-14:Advisory disclosed
2025-11-14:VulDB entry created
2025-11-14:VulDB entry last update

Credits

Lexpl0it (VulDB User) reporter

References

github.com/...lob/main/DIR-816L stack overflow(gena.cgi).pdf exploit

vuldb.com/?id.332478 (VDB-332478 | D-Link DIR-816L gena.cgi genacgi_main stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.332478 (VDB-332478 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.685540 (Submit #685540 | D-Link DIR-816L DIR816L_REVB_FW_2_06_b09_beta Stack-based Buffer Overflow) third-party-advisory

github.com/...lob/main/DIR-816L stack overflow(gena.cgi).pdf exploit

www.dlink.com/ product

cve.org (CVE-2025-13189)

nvd.nist.gov (CVE-2025-13189)

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