CVE-2017-17411

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
9.8EG
EchelonGraph verdictMitigate this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 88%
  • Public exploit code is available (Metasploit, epss top5pct, epss high, public exploit)
CISA-KEV: Not listedEPSS PROB: 88%CVSS: 9.8Exploit: Metasploit · epss top5pct · epss high · public exploitExposed services: Not assessed

An upstream fix is merged but not yet released — mitigate (WAF / firewall / segmentation) until the release ships, then apply it.

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
9.8CRITICALmedium confidence
EG Risk
84
EG Risk 84/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation88% × 40%
Automatability30% × 15%
CISA SSVC: Track at low, Track* at medium and Attend at high mission impact.
Action: An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high until it ships, then apply the release.
EPSS PROB
88%
EPSS %ILE
99th
KEV
Not listed

CISA SSVCTrack at low, Track* at medium and Attend at high mission impact.

An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high until it ships, then apply the release.

Exploitation public PoC (EG-KEV: weaponized) · Automatable unknown (not published for this CVE) · Technical impact total (CVSS ≥ 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

December 21, 2017

Last Modified

June 17, 2026

Advisory Details (5)

Auto-updated Oct 6, 2026
🔬 Proof of concept available. Upstream fix merged — awaiting tagged release. Sources: github_pr.
generic

ZDI-17-973 - TrendAI™ Zero Day Initiative™ (ZDI)

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/
github_pr

Adds exploit module for CVE-2017-17411

Fix merged in rapid7/metasploit-framework PR #9336 on 2018-01-04 — awaiting tagged release

https://github.com/rapid7/metasploit-framework/pull/9336
generic

CVE-2017-17411 - PSIRT.COM

http://www.securityfocus.com/bid/102212

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 1× in last 7d / 6× 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. 2026-10-06 15:11 UTCEPSS rescore
  2. 2026-09-30 09:30 UTCEG score recompute
  3. 2026-09-28 13:45 UTCEPSS rescore
  4. 2026-09-27 13:40 UTCEPSS rescore
  5. 2026-09-24 13:59 UTCEPSS rescore
  6. 2026-09-17 19:22 UTCEPSS rescore
  7. 2026-09-10 09:26 UTCEPSS rescore
  8. 2026-09-04 05:01 UTCEPSS rescore
  9. 2026-08-30 19:13 UTCEPSS rescore
  10. 2026-08-28 21:36 UTCEPSS rescore
  11. 2026-08-27 14:20 UTCEPSS rescore
  12. 2026-08-26 14:41 UTCEPSS rescore
  13. 2026-08-24 14:10 UTCEPSS rescore
  14. 2026-08-21 23:44 UTCEPSS rescore
  15. 2026-08-20 22:50 UTCEPSS rescore
  16. 2026-08-19 16:59 UTCEPSS rescore
  17. 2026-08-18 13:43 UTCEPSS rescore
  18. 2026-08-16 02:10 UTCEPSS rescore
  19. 2026-08-08 16:32 UTCEPSS rescore
  20. 2026-08-07 16:22 UTCEPSS rescore
  21. 2026-08-03 10:30 UTCEPSS rescore
  22. 2026-07-28 15:32 UTCEPSS rescore
  23. 2026-07-23 14:15 UTCEPSS rescore
  24. 2026-07-23 01:28 UTCEG score recompute
  25. 2026-07-22 22:07 UTCEG score recompute
Show 40 more
  1. 2026-07-22 14:04 UTCEPSS rescore
  2. 2026-07-19 14:28 UTCEPSS rescore
  3. 2026-07-19 14:28 UTCEPSS rescore
  4. 2026-07-15 16:54 UTCEPSS rescore
  5. 2026-07-15 16:54 UTCEPSS rescore
  6. 2026-07-12 05:43 UTCEPSS rescore
  7. 2026-07-08 15:10 UTCEPSS rescore
  8. 2026-07-07 13:42 UTCEPSS rescore
  9. 2026-06-28 04:53 UTCEPSS rescore
  10. 2026-06-24 14:02 UTCEPSS rescore
  11. 2026-06-23 21:30 UTCEPSS rescore
  12. 2026-06-17 17:50 UTCEPSS rescore
  13. 2026-06-15 17:45 UTCEPSS rescore
  14. 2026-06-12 23:09 UTCEPSS rescore
  15. 2026-06-10 22:15 UTCEPSS rescore
  16. 2026-06-02 20:11 UTCEPSS rescore
  17. 2026-06-02 20:11 UTCEPSS rescore
  18. 2026-05-31 22:28 UTCEPSS rescore
  19. 2026-05-31 00:14 UTCEPSS rescore
  20. 2026-05-28 13:42 UTCEPSS rescore
  21. 2026-05-28 13:42 UTCEPSS rescore
  22. 2026-05-27 13:38 UTCEPSS rescore
  23. 2026-05-27 13:38 UTCEPSS rescore
  24. 2026-05-26 13:42 UTCEPSS rescore
  25. 2026-05-26 13:42 UTCEPSS rescore
  26. 2026-05-20 22:37 UTCEPSS rescore
  27. 2026-05-20 22:37 UTCEPSS rescore
  28. 2026-05-20 11:14 UTCGHSA enrichment
  29. 2026-05-20 07:20 UTCGHSA enrichment
  30. 2026-05-20 03:26 UTCGHSA enrichment
  31. 2026-05-19 23:32 UTCGHSA enrichment
  32. 2026-05-19 19:38 UTCGHSA enrichment
  33. 2026-05-19 15:44 UTCGHSA enrichment
  34. 2026-05-19 11:49 UTCGHSA enrichment
  35. 2026-05-19 07:55 UTCGHSA enrichment
  36. 2026-05-19 04:02 UTCGHSA enrichment
  37. 2026-05-19 00:07 UTCEG score recompute
  38. 2026-05-19 00:07 UTCGHSA enrichment
  39. 2026-05-18 21:30 UTCEPSS rescore
  40. 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.

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

    Linksys WVBR0-25 User-Agent Command Execution

    Open source ↗
  • 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 ↗

Related CVEs(same CWE)

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 on December 21, 2017, with the most recent update on June 17, 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. EchelonGraph's EG-KEV model classifies it as weaponized: a functional public exploit exists. FIRST EPSS estimates a 88% probability of exploitation in the next 30 days (99th percentile of EPSS-scored CVEs).
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?
An upstream fix for CVE-2017-17411 has been merged but is not yet in a tagged release. Until it ships, restrict network exposure of the affected system or apply the vendor's mitigation, then update to the release that contains the fix.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2017-17411

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