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Description

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A vulnerability was detected in D-Link DIR-816L 2_06_b09_beta. Affected by this vulnerability is the function authenticationcgi_main of the file /authentication.cgi. Performing manipulation of the argument Password results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Eine Schwachstelle wurde in D-Link DIR-816L 2_06_b09_beta gefunden. Es ist betroffen die Funktion authenticationcgi_main der Datei /authentication.cgi. Durch Manipulation des Arguments Password mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Es ist möglich, den Angriff aus der Ferne durchzuführen. Der Exploit wurde der Öffentlichkeit bekannt gemacht und könnte verwendet werden.

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




CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:R
CRITICAL: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:R
10.0AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:W/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/...IR-816L stack overflow(authentication.cgi).pdf exploit

vuldb.com/?id.332476 (VDB-332476 | D-Link DIR-816L authentication.cgi authenticationcgi_main stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.332476 (VDB-332476 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.685538 (Submit #685538 | D-Link DIR-816L DIR816L_REVB_FW_2_06_b09_beta Stack-based Buffer Overflow) third-party-advisory

github.com/...IR-816L stack overflow(authentication.cgi).pdf exploit

www.dlink.com/ product

cve.org (CVE-2025-13188)

nvd.nist.gov (CVE-2025-13188)

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