CVE-2018-5999

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because EPSS predicts 91% probability of exploitation within the next 30 days (top 0.4% of all CVEs). NVD baseline CVSS 9.8 retained for reference. Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss, ghsa, nvd
Weaponized
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 87%
CISA-KEV: Not listedEPSS: 87%CVSS: 9.8Exploit: NoneExposed: 0

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

An issue was discovered in AsusWRT before 3.0.0.4.384_10007. In the handle_request function in router/httpd/httpd.c, processing of POST requests continues even if authentication fails.

CVSS v3
9.8
EG Score
9.8(high)
EPSS
99.7%
KEV
Not listed

Published

January 22, 2018

Last Modified

November 21, 2024

Advisory Details (4)

Auto-updated Jun 7, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

AsusWRT LAN - Remote Code Execution (Metasploit) - Hardware remote Exploit

https://www.exploit-db.com/exploits/44176/
generic🟡 PoC Available

AsusWRT Router < 3.0.0.4.380.7743 - LAN Remote Code Execution - Hardware remote Exploit

https://www.exploit-db.com/exploits/43881/
generic
https://raw.githubusercontent.com/pedrib/PoC/master/exploits/metasploit/asuswrt_lan_rce.rb
generic🟡 PoC Available

PoC/advisories/asuswrt-lan-rce.txt at master · pedrib/PoC · GitHub

https://github.com/pedrib/PoC/blob/master/advisories/asuswrt-lan-rce.txt

Data Freshness Timeline

(refreshed 4× in last 7d / 19× 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. 2026-07-04 06:28 UTCEPSS rescore
  2. 2026-07-04 06:28 UTCEPSS rescore
  3. 2026-07-01 15:03 UTCEPSS rescore
  4. 2026-07-01 15:03 UTCEPSS rescore
  5. 2026-06-25 13:47 UTCEPSS rescore
  6. 2026-06-25 13:47 UTCEPSS rescore
  7. 2026-06-23 21:30 UTCEPSS rescore
  8. 2026-06-23 21:30 UTCEPSS rescore
  9. 2026-06-16 17:50 UTCEPSS rescore
  10. 2026-06-16 17:50 UTCEPSS rescore
  11. 2026-06-15 17:45 UTCEPSS rescore
  12. 2026-06-14 23:15 UTCEPSS rescore
  13. 2026-06-14 23:15 UTCEPSS rescore
  14. 2026-06-13 22:58 UTCEPSS rescore
  15. 2026-06-12 23:09 UTCEPSS rescore
  16. 2026-06-12 23:09 UTCEPSS rescore
  17. 2026-06-11 13:57 UTCEPSS rescore
  18. 2026-06-10 22:16 UTCEPSS rescore
  19. 2026-06-08 14:14 UTCEPSS rescore
  20. 2026-06-07 15:22 UTCEPSS rescore
  21. 2026-06-07 15:22 UTCEPSS rescore
  22. 2026-06-05 22:45 UTCEPSS rescore
  23. 2026-06-05 22:45 UTCEPSS rescore
  24. 2026-06-05 06:08 UTCEPSS rescore
  25. 2026-06-05 06:08 UTCEPSS rescore
Show 6 more
  1. 2026-06-04 13:10 UTCEPSS rescore
  2. 2026-06-04 13:10 UTCEPSS rescore
  3. 2026-05-28 13:43 UTCEPSS rescore
  4. 2026-05-28 13:42 UTCEPSS rescore
  5. 2026-05-28 12:15 UTCEG score recompute
  6. 2026-05-28 12:15 UTCGHSA enrichment

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-44176✓ verified
    First seen Feb 26, 2018

    AsusWRT LAN - Remote Code Execution (Metasploit)

    Open source ↗
  • Exploit-DBEDB-43881
    First seen Jan 22, 2018

    AsusWRT Router < 3.0.0.4.380.7743 - LAN Remote Code Execution

    Open source ↗
  • Metasploitexploit/linux/http/asuswrt_lan_rce✓ verified
    First seen Jan 22, 2018

    AsusWRT LAN Unauthenticated Remote Code Execution

    Open source ↗

Frequently asked(5)

What is CVE-2018-5999?
CVE-2018-5999 is a critical vulnerability published on January 22, 2018. An issue was discovered in AsusWRT before 3.0.0.4.38410007. In the handlerequest function in router/httpd/httpd.c, processing of POST requests continues even if authentication fails.
When was CVE-2018-5999 disclosed?
CVE-2018-5999 was first published in the National Vulnerability Database on January 22, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-5999 actively exploited?
CVE-2018-5999 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-5999?
CVE-2018-5999 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2018-5999?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-5999, 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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