CVE-2022-36553

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-08-30. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 91%
CISA-KEV: Not listedEPSS: 91%CVSS: 9.8Exploit: NoneExposed: 0

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

Hytec Inter HWL-2511-SS v1.05 and below was discovered to contain a command injection vulnerability via the component /www/cgi-bin/popen.cgi.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
85(Track*)
EG Risk 85/100SSVC: 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%
Exploitation91% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
99.8%
KEV
Not listed

Published

August 29, 2022

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated Jun 29, 2026
No patch confirmed yet.
generic

HYTEC INTER | Elevating Connectivity — 
Contributing to Society and the Future

https://hytec.co.jp/eng/products/our-brand/hwl-2511-ss.html

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 11× 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. 2026-07-24 14:15 UTCEPSS rescore
  2. 2026-07-24 14:15 UTCEPSS rescore
  3. 2026-07-23 02:12 UTCEG score recompute
  4. 2026-07-22 23:00 UTCEG score recompute
  5. 2026-07-22 14:06 UTCEPSS rescore
  6. 2026-07-22 14:06 UTCEPSS rescore
  7. 2026-07-15 16:56 UTCEPSS rescore
  8. 2026-07-15 16:56 UTCEPSS rescore
  9. 2026-07-05 02:28 UTCEPSS rescore
  10. 2026-06-27 03:07 UTCEPSS rescore
  11. 2026-06-27 03:07 UTCEPSS rescore
  12. 2026-06-23 21:31 UTCEPSS rescore
  13. 2026-06-23 21:31 UTCEPSS rescore
  14. 2026-06-18 17:51 UTCEPSS rescore
  15. 2026-06-18 17:51 UTCEPSS rescore
  16. 2026-06-15 17:46 UTCEPSS rescore
  17. 2026-06-10 13:20 UTCEPSS rescore
  18. 2026-06-04 13:11 UTCEPSS rescore
  19. 2026-06-04 13:11 UTCEPSS rescore
  20. 2026-05-29 13:43 UTCEPSS rescore
  21. 2026-05-29 13:43 UTCEPSS rescore
  22. 2026-05-27 13:39 UTCEPSS rescore
  23. 2026-05-27 13:39 UTCEPSS rescore
  24. 2026-05-26 07:17 UTCEPSS rescore
  25. 2026-05-26 07:17 UTCEPSS rescore
Show 3 more
  1. 2026-05-26 07:17 UTCEPSS rescore
  2. 2026-05-25 16:18 UTCEG score recompute
  3. 2026-05-25 16:18 UTCGHSA enrichment

Publicly available exploits

(2 references)

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

  • GitHub PoC0xNslabs/CVE-2022-36553-PoC
    First seen Jan 8, 2024

    PoC Script for CVE-2022-36553: Exploits an unauthenticated remote command injection vulnerability in Hytec Inter HWL-2511-SS device.

    Open source ↗
  • Nucleihttp/cves/2022/CVE-2022-36553.yaml
    First seen Jan 1, 2022

    Hytec Inter HWL-2511-SS - Remote Command Execution

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2022-36553?
CVE-2022-36553 is a critical vulnerability published on August 29, 2022. Hytec Inter HWL-2511-SS v1.05 and below was discovered to contain a command injection vulnerability via the component /www/cgi-bin/popen.cgi.
When was CVE-2022-36553 disclosed?
CVE-2022-36553 was first published in the National Vulnerability Database on August 29, 2022, 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-2022-36553 actively exploited?
CVE-2022-36553 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-36553?
CVE-2022-36553 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2022-36553?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-36553, 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

Explore the affected products and dependency analysis for CVE-2022-36553

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