CVE-2012-10058

CRITICALNVD 10.010.0—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 10.0 under NVD CVSS v3. EPSS exploit probability: 58.6%, top 2% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Weaponized
10.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 10.0Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
10.0
EG Score
10.0(medium)
EPSS
69.7%
KEV
Not listed

Published

August 13, 2025

Last Modified

April 15, 2026

Advisory Details (6)

Auto-updated Jul 17, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic
https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/http/rabidhamster_r4_log.rb
generic

RabidHamster R4 Log Entry sprintf() Buffer Overflow | Advisories | VulnCheck

https://www.vulncheck.com/advisories/rabidhamster-r4-log-entry-buffer-overflow
generic

R4

https://www.rabidhamster.org/R4/download.php
generic🟡 PoC Available

RabidHamster R4 - Log Entry 'sprintf()' Remote Buffer Overflow (Metasploit) - Windows remote Exploit

https://www.exploit-db.com/exploits/18929
generic

cpai-07-jan405 - Check Point Software

https://advisories.checkpoint.com/defense/advisories/public/2013/cpai-07-jan405.html
generic
http://aluigi.altervista.org/adv/r4_1-adv.txt

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 40× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-20 17:03 UTCEPSS rescore
  2. 2026-07-20 17:03 UTCEPSS rescore
  3. 2026-07-19 14:27 UTCEPSS rescore
  4. 2026-07-19 02:25 UTCEPSS rescore
  5. 2026-07-18 10:00 UTCEPSS rescore
  6. 2026-07-16 16:58 UTCEPSS rescore
  7. 2026-07-15 16:54 UTCEPSS rescore
  8. 2026-07-15 16:54 UTCEPSS rescore
  9. 2026-07-15 01:56 UTCEPSS rescore
  10. 2026-07-13 22:25 UTCEPSS rescore
  11. 2026-07-13 06:08 UTCEPSS rescore
  12. 2026-07-11 08:22 UTCEPSS rescore
  13. 2026-07-09 19:05 UTCEPSS rescore
  14. 2026-07-08 15:10 UTCEPSS rescore
  15. 2026-07-08 15:10 UTCEPSS rescore
  16. 2026-07-06 16:23 UTCEPSS rescore
  17. 2026-07-06 02:19 UTCEPSS rescore
  18. 2026-07-06 02:19 UTCEPSS rescore
  19. 2026-07-05 02:26 UTCEPSS rescore
  20. 2026-07-04 06:27 UTCEPSS rescore
  21. 2026-07-02 14:01 UTCEPSS rescore
  22. 2026-07-01 15:02 UTCEPSS rescore
  23. 2026-06-30 23:19 UTCEPSS rescore
  24. 2026-06-30 23:19 UTCEPSS rescore
  25. 2026-06-29 14:02 UTCEPSS rescore
Show 64 more
  1. 2026-06-28 14:03 UTCEPSS rescore
  2. 2026-06-28 04:53 UTCEPSS rescore
  3. 2026-06-28 04:53 UTCEPSS rescore
  4. 2026-06-27 03:05 UTCEPSS rescore
  5. 2026-06-27 03:05 UTCEPSS rescore
  6. 2026-06-25 13:46 UTCEPSS rescore
  7. 2026-06-25 13:46 UTCEPSS rescore
  8. 2026-06-24 14:02 UTCEPSS rescore
  9. 2026-06-24 14:02 UTCEPSS rescore
  10. 2026-06-23 21:30 UTCEPSS rescore
  11. 2026-06-22 14:22 UTCEPSS rescore
  12. 2026-06-22 14:22 UTCEPSS rescore
  13. 2026-06-21 14:53 UTCEPSS rescore
  14. 2026-06-21 01:56 UTCEPSS rescore
  15. 2026-06-21 01:56 UTCEPSS rescore
  16. 2026-06-19 19:22 UTCEPSS rescore
  17. 2026-06-19 19:22 UTCEPSS rescore
  18. 2026-06-18 17:49 UTCEPSS rescore
  19. 2026-06-18 17:49 UTCEPSS rescore
  20. 2026-06-17 17:49 UTCEPSS rescore
  21. 2026-06-17 17:49 UTCEPSS rescore
  22. 2026-06-16 17:49 UTCEPSS rescore
  23. 2026-06-16 17:49 UTCEPSS rescore
  24. 2026-06-15 17:44 UTCEPSS rescore
  25. 2026-06-14 23:14 UTCEPSS rescore
  26. 2026-06-14 23:14 UTCEPSS rescore
  27. 2026-06-13 22:57 UTCEPSS rescore
  28. 2026-06-12 23:08 UTCEPSS rescore
  29. 2026-06-11 13:56 UTCEPSS rescore
  30. 2026-06-10 22:14 UTCEPSS rescore
  31. 2026-06-10 13:18 UTCEPSS rescore
  32. 2026-06-08 15:45 UTCEG score recompute▲ 10.00
  33. 2026-06-08 15:45 UTCGHSA enrichment
  34. 2026-06-08 14:14 UTCEPSS rescore
  35. 2026-06-08 14:14 UTCEPSS rescore
  36. 2026-06-05 22:44 UTCEPSS rescore
  37. 2026-06-05 22:44 UTCEPSS rescore
  38. 2026-06-02 20:10 UTCEPSS rescore
  39. 2026-06-02 20:10 UTCEPSS rescore
  40. 2026-06-01 13:49 UTCEPSS rescore
  41. 2026-05-31 00:14 UTCEPSS rescore
  42. 2026-05-31 00:14 UTCEPSS rescore
  43. 2026-05-29 13:41 UTCEPSS rescore
  44. 2026-05-28 13:42 UTCEPSS rescore
  45. 2026-05-28 13:42 UTCEPSS rescore
  46. 2026-05-27 13:38 UTCEPSS rescore
  47. 2026-05-27 13:38 UTCEPSS rescore
  48. 2026-05-26 13:41 UTCEPSS rescore
  49. 2026-05-26 13:41 UTCEPSS rescore
  50. 2026-05-24 16:43 UTCEPSS rescore
  51. 2026-05-22 21:15 UTCEPSS rescore
  52. 2026-05-22 21:15 UTCEPSS rescore
  53. 2026-05-22 21:15 UTCEPSS rescore
  54. 2026-05-21 22:39 UTCEPSS rescore
  55. 2026-05-21 09:58 UTCEG score recompute
  56. 2026-05-21 09:58 UTCGHSA enrichment
  57. 2026-05-20 22:37 UTCEPSS rescore
  58. 2026-05-20 22:37 UTCEPSS rescore
  59. 2026-05-20 22:37 UTCEPSS rescore
  60. 2026-05-20 11:21 UTCEPSS rescore
  61. 2026-05-20 11:21 UTCEPSS rescore
  62. 2026-05-20 11:21 UTCEPSS rescore
  63. 2026-05-18 21:29 UTCEPSS rescore
  64. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Metasploit module). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Metasploitexploit/windows/http/rabidhamster_r4_log✓ verified
    First seen Feb 9, 2012

    RabidHamster R4 Log Entry sprintf() Buffer Overflow

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2012-10058?
CVE-2012-10058 is a critical vulnerability published on August 13, 2025. 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…
When was CVE-2012-10058 disclosed?
CVE-2012-10058 was first published in the National Vulnerability Database on August 13, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-10058 actively exploited?
CVE-2012-10058 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2012-10058?
CVE-2012-10058 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2012-10058?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-10058, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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