CVE-2017-17411

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because EPSS predicts 92% probability of exploitation within the next 30 days (top 0.3% 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 88%
CISA-KEV: Not listedEPSS: 88%CVSS: 9.8Exploit: NoneExposed: 0

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

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Linksys WVBR0. Authentication is not required to exploit this vulnerability. The specific flaw exists within the web management portal. The issue lies in the lack of proper validation of user data before executing a system call. An attacker could leverage this vulnerability to execute code with root privileges. Was ZDI-CAN-4892.

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

Published

December 21, 2017

Last Modified

May 13, 2026

Advisory Details (5)

Auto-updated May 17, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

ZDI-17-973 | Zero Day Initiative

https://zerodayinitiative.com/advisories/ZDI-17-973
generic🟡 PoC Available

Linksys WVBR0-25 - User-Agent Command Execution (Metasploit) - Hardware remote Exploit

https://www.exploit-db.com/exploits/43429/
generic🟡 PoC Available

Linksys WVBR0 - 'User-Agent' Remote Command Injection - Hardware webapps Exploit

https://www.exploit-db.com/exploits/43363/
generic

Adds exploit module for CVE-2017-17411 by headlesszeke · Pull Request #9336 · rapid7/metasploit-framework · GitHub

https://github.com/rapid7/metasploit-framework/pull/9336
generic
http://www.securityfocus.com/bid/102212

Data Freshness Timeline

(refreshed 1× in last 7d / 8× 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. 2026-07-07 13:42 UTCEPSS rescore
  2. 2026-06-28 04:53 UTCEPSS rescore
  3. 2026-06-24 14:02 UTCEPSS rescore
  4. 2026-06-23 21:30 UTCEPSS rescore
  5. 2026-06-17 17:50 UTCEPSS rescore
  6. 2026-06-15 17:45 UTCEPSS rescore
  7. 2026-06-12 23:09 UTCEPSS rescore
  8. 2026-06-10 22:15 UTCEPSS rescore
  9. 2026-06-02 20:11 UTCEPSS rescore
  10. 2026-06-02 20:11 UTCEPSS rescore
  11. 2026-05-31 22:28 UTCEPSS rescore
  12. 2026-05-31 00:14 UTCEPSS rescore
  13. 2026-05-28 13:42 UTCEPSS rescore
  14. 2026-05-28 13:42 UTCEPSS rescore
  15. 2026-05-27 13:38 UTCEPSS rescore
  16. 2026-05-27 13:38 UTCEPSS rescore
  17. 2026-05-26 13:42 UTCEPSS rescore
  18. 2026-05-26 13:42 UTCEPSS rescore
  19. 2026-05-20 22:37 UTCEPSS rescore
  20. 2026-05-20 22:37 UTCEPSS rescore
  21. 2026-05-20 11:14 UTCEG score recompute
  22. 2026-05-20 11:14 UTCGHSA enrichment
  23. 2026-05-20 07:20 UTCEG score recompute
  24. 2026-05-20 07:20 UTCGHSA enrichment
  25. 2026-05-20 03:26 UTCEG score recompute
Show 17 more
  1. 2026-05-20 03:26 UTCGHSA enrichment
  2. 2026-05-19 23:32 UTCEG score recompute
  3. 2026-05-19 23:32 UTCGHSA enrichment
  4. 2026-05-19 19:38 UTCEG score recompute
  5. 2026-05-19 19:38 UTCGHSA enrichment
  6. 2026-05-19 15:44 UTCEG score recompute
  7. 2026-05-19 15:44 UTCGHSA enrichment
  8. 2026-05-19 11:50 UTCEG score recompute
  9. 2026-05-19 11:49 UTCGHSA enrichment
  10. 2026-05-19 07:55 UTCEG score recompute
  11. 2026-05-19 07:55 UTCGHSA enrichment
  12. 2026-05-19 04:02 UTCEG score recompute
  13. 2026-05-19 04:02 UTCGHSA enrichment
  14. 2026-05-19 00:07 UTCEG score recompute
  15. 2026-05-19 00:07 UTCGHSA enrichment
  16. 2026-05-18 21:30 UTCEPSS rescore
  17. 2026-05-18 21:30 UTCEPSS rescore

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-43429
    First seen Jan 4, 2018

    Linksys WVBR0-25 - User-Agent Command Execution (Metasploit)

    Open source ↗
  • Exploit-DBEDB-43363
    First seen Dec 14, 2017

    Linksys WVBR0 - 'User-Agent' Remote Command Injection

    Open source ↗
  • Metasploitexploit/linux/http/linksys_wvbr0_user_agent_exec_noauth✓ verified
    First seen Dec 13, 2017

    Linksys WVBR0-25 User-Agent Command Execution

    Open source ↗

Frequently asked(5)

What is CVE-2017-17411?
CVE-2017-17411 is a critical vulnerability published on December 21, 2017. This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Linksys WVBR0. Authentication is not required to exploit this vulnerability. The specific flaw exists within the web management portal. The issue lies in the lack of proper validation of user data…
When was CVE-2017-17411 disclosed?
CVE-2017-17411 was first published in the National Vulnerability Database on December 21, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-17411 actively exploited?
CVE-2017-17411 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-2017-17411?
CVE-2017-17411 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2017-17411?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-17411, 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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