What’s Vulnerable › Vulnerabilities

CVE-2012-10058: RabidHamster R4 Log Entry sprintf() Buffer Overflow

• Severity: critical (CVSS 10.0 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-13 · updated 2026-06-16
• Weakness: CWE-121

Description

RabidHamster R4 v1.25 contains a stack-based buffer overflow vulnerability due to unsafe use of sprintf() when logging malformed HTTP requests. A remote attacker can exploit this flaw by sending a specially crafted URI, resulting in arbitrary code execution under the context of the web server process.

Affected products

• RabidHamster R4 Embedded Server: 1.25

References

• http://aluigi.altervista.org/adv/r4_1-adv.txt
• https://advisories.checkpoint.com/defense/advisories/public/2013/cpai-07-jan405.html
• https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/http/rabidhamster_r4_log.rb
• https://www.exploit-db.com/exploits/18929
• https://www.rabidhamster.org/R4/download.php
• https://www.vulncheck.com/advisories/rabidhamster-r4-log-entry-buffer-overflow
• https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/http/rabidhamster_r4_log.rb

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