CVE-2020-13117

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-24. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 69%
CISA-KEV: Not listedEPSS PROB: 69%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

Wavlink WN575A4, WN579X3, and WN530G3A devices through 2020-05-15 allow unauthenticated remote users to inject commands via the key parameter in a login request.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
76(Track*)
EG Risk 76/100SSVC: Track*

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%
Exploitation69% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
69%
EPSS %ILE
99%
KEV
Not listed

Published

February 9, 2021

Last Modified

August 19, 2025

Advisory Details (2)

Auto-updated Jun 24, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

0xlabs | Blog: Wavlink Multiple AP Products: Unauthenticated Remote Root Command Execution

https://blog.0xlabs.com/2021/02/wavlink-rce-CVE-2020-13117.html
generic🟡 PoC Available

Wavlink-WN530G3A-Cmd-Injection/README.md at main · ice-wzl/Wavlink-WN530G3A-Cmd-Injection · GitHub

https://github.com/ice-wzl/Wavlink-WN530G3A-Cmd-Injection/blob/main/README.md

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 21× 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. 2026-07-26 14:51 UTCEPSS rescore
  2. 2026-07-24 14:14 UTCEPSS rescore
  3. 2026-07-23 01:49 UTCEG score recompute
  4. 2026-07-22 22:34 UTCEG score recompute
  5. 2026-07-22 14:05 UTCEPSS rescore
  6. 2026-07-21 15:22 UTCEPSS rescore
  7. 2026-07-21 15:22 UTCEPSS rescore
  8. 2026-07-20 17:04 UTCEPSS rescore
  9. 2026-07-19 14:28 UTCEPSS rescore
  10. 2026-07-19 14:28 UTCEPSS rescore
  11. 2026-07-19 02:26 UTCEPSS rescore
  12. 2026-07-19 02:26 UTCEPSS rescore
  13. 2026-07-16 16:59 UTCEPSS rescore
  14. 2026-07-16 16:59 UTCEPSS rescore
  15. 2026-07-15 16:55 UTCEPSS rescore
  16. 2026-07-13 22:27 UTCEPSS rescore
  17. 2026-07-11 08:24 UTCEPSS rescore
  18. 2026-07-09 19:06 UTCEPSS rescore
  19. 2026-07-04 06:28 UTCEPSS rescore
  20. 2026-07-01 15:03 UTCEPSS rescore
  21. 2026-07-01 15:03 UTCEPSS rescore
  22. 2026-06-27 03:06 UTCEPSS rescore
  23. 2026-06-25 13:47 UTCEPSS rescore
  24. 2026-06-25 13:47 UTCEPSS rescore
  25. 2026-06-24 14:03 UTCEPSS rescore
Show 23 more
  1. 2026-06-24 14:03 UTCEPSS rescore
  2. 2026-06-23 21:31 UTCEPSS rescore
  3. 2026-06-23 21:31 UTCEPSS rescore
  4. 2026-06-19 19:23 UTCEPSS rescore
  5. 2026-06-19 19:23 UTCEPSS rescore
  6. 2026-06-18 17:50 UTCEPSS rescore
  7. 2026-06-18 17:50 UTCEPSS rescore
  8. 2026-06-17 17:50 UTCEPSS rescore
  9. 2026-06-17 17:50 UTCEPSS rescore
  10. 2026-06-16 17:50 UTCEPSS rescore
  11. 2026-06-16 17:50 UTCEPSS rescore
  12. 2026-06-15 17:46 UTCEPSS rescore
  13. 2026-06-10 13:20 UTCEPSS rescore
  14. 2026-06-04 13:10 UTCEPSS rescore
  15. 2026-06-04 13:10 UTCEPSS rescore
  16. 2026-05-31 00:15 UTCEPSS rescore
  17. 2026-05-31 00:14 UTCEPSS rescore
  18. 2026-05-28 13:43 UTCEPSS rescore
  19. 2026-05-28 13:43 UTCEPSS rescore
  20. 2026-05-26 21:03 UTCEG score recompute
  21. 2026-05-26 21:03 UTCGHSA enrichment
  22. 2026-05-26 07:17 UTCEPSS rescore
  23. 2026-05-26 07:17 UTCEPSS rescore

Publicly available exploits

(1 reference)

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

  • Nucleihttp/cves/2020/CVE-2020-13117.yaml
    First seen Jan 1, 2020

    Wavlink Multiple AP - Remote Command Injection

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2020-13117?
CVE-2020-13117 is a critical vulnerability published on February 9, 2021. Wavlink WN575A4, WN579X3, and WN530G3A devices through 2020-05-15 allow unauthenticated remote users to inject commands via the key parameter in a login request.
When was CVE-2020-13117 disclosed?
CVE-2020-13117 was first published in the National Vulnerability Database on February 9, 2021, with the most recent update on August 19, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-13117 actively exploited?
CVE-2020-13117 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69% probability of exploitation in the next 30 days, which ranks it in the top 0.7% of all scored CVEs.
What is the CVSS score of CVE-2020-13117?
CVE-2020-13117 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2020-13117?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-13117, 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.

Dependency Blast Radius

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