RabidHamster R4 Log Entry sprintf() Buffer Overflow
Priority HIGH 82CWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.02197 82nd percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| RabidHamster | R4 Embedded Server | 1.25 | — | No fix listed | CNA |
- R4 Embedded Server VendorRabidHamster Affected 1.25 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2012-10058
- 2026-10-03 Alias added: GHSA-3542-93rq-2v6g
References
Exploit 3
More RabidHamster vulnerabilities
- TI-2012-01125 Stack-based buffer overflow in RabidHamster R2/Extreme 1.65 and earlier allows remote… CVSS 2.0HIGH 8.5
- TI-2012-01124 Directory traversal vulnerability in the telnet server in RabidHamster R2/Extreme 1.65… CVSS 2.0MEDIUM 5.0
- TI-2012-01126 RabidHamster R2/Extreme 1.65 and earlier uses a small search space of values for the PIN… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2012-10058 · CVE Program
- CVE-2012-10058 · NVD
- FIRST EPSS
- GHSA-3542-93rq-2v6g · GitHub Advisory Database · CC BY 4.0
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