Skip to main content
Public proof of concept

CVE-2022-46637

A public proof of concept exists; no exploitation attested.

  • Published2023-02-21
  • WeaknessCWE-798

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Prolink router PRS1841 was discovered to contain hardcoded credentials for its Telnet and FTP services.

Timeline

dates in UTC
  1. 2023-02-2121:15CVE publishedNVD

Versions per branch

NVD
Prolink2u prs1841 firmwareversion to verify
BranchAffectedFixed in
—= u_v2no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2023-02-21
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-p25x-ww85-g4gw

Frequently asked questions

What is CVE-2022-46637?

Prolink router PRS1841 was discovered to contain hardcoded credentials for its Telnet and FTP services.

Is CVE-2022-46637 actively exploited?

A proof-of-concept exploit exists for CVE-2022-46637, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2022-46637?

CVE-2022-46637 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record