CVE-2022-46080

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-07-06. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

Nexxt Nebula 1200-AC 15.03.06.60 allows authentication bypass and command execution by using the HTTPD service to enable TELNET.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Track)
EG Risk 75/100SSVC: 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%
Exploitation40% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
83%
KEV
Not listed

Published

July 6, 2023

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated May 28, 2026
No patch confirmed yet.
generic

Nexxt Solutions | Nexxtsolutions

https://nexxtsolutions.com
generic

GitHub - yerodin/CVE-2022-46080: Nexxt Router 15.03.06.60 Authentication Bypass and Remote Command Execution · GitHub

https://github.com/yerodin/CVE-2022-46080

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 40× 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 14:52 UTCEPSS rescore
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  6. 2026-07-23 02:15 UTCEG score recompute
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  1. 2026-07-08 15:12 UTCEPSS rescore
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  44. 2026-06-07 15:23 UTCEPSS rescore
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  70. 2026-05-26 07:17 UTCEPSS rescore
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  73. 2026-05-24 22:00 UTCEG score recompute
  74. 2026-05-24 22:00 UTCGHSA enrichment

Publicly available exploits

(1 reference)

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 PoCgeniuszly/CVE-2022-46080
    First seen Aug 9, 2024

    it is script that enables Telnet on routers by sending a specially crafted request. The script allows users to specify the router's URL, Telnet port, and password. It validates the inputs and logs the process, providing feedback on whether the exploit was successful.

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2022-46080?
CVE-2022-46080 is a critical vulnerability published on July 6, 2023. Nexxt Nebula 1200-AC 15.03.06.60 allows authentication bypass and command execution by using the HTTPD service to enable TELNET.
When was CVE-2022-46080 disclosed?
CVE-2022-46080 was first published in the National Vulnerability Database on July 6, 2023, 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-2022-46080 actively exploited?
CVE-2022-46080 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 16.6% of all scored CVEs.
What is the CVSS score of CVE-2022-46080?
CVE-2022-46080 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2022-46080?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-46080, 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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