CVE-2014-125117: D-Link info.cgi POST Request Stack-Based Buffer Overflow RCE

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 9.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-07-25 · updated 2026-06-17
Weakness: CWE-20

Description

A stack-based buffer overflow vulnerability in the my_cgi.cgi component of certain D-Link devices, including the DSP-W215 version 1.02, can be exploited via a specially crafted HTTP POST request to the /common/info.cgi endpoint. This flaw enables an unauthenticated attacker to achieve remote code execution with system-level privileges.

Affected products

D-Link DSP-W215: 1.02

References

https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/dlink_dspw215_info_cgi_bof.rb
https://web.archive.org/web/20140525215526/http://www.devttys0.com/2014/05/hacking-the-dspw215-again/
https://www.exploit-db.com/exploits/34063
https://www.fortiguard.com/encyclopedia/ips/38932/d-link-info-cgi-post-request-buffer-overflow
https://www.vulncheck.com/advisories/dlink-stack-based-buffer-overflow-rce

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