HOMEVULNERABILITIESCVE-2023-41027
HIGH

CVE-2023-41027

CWE-210Published: September 22, 2023· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

Credential disclosure in the '/webs/userpasswd.htm' endpoint in Juplink RX4-1500 Wifi router firmware versions V1.0.4 and V1.0.5 allows an authenticated attacker to leak the password for the administrative account via requests to the vulnerable endpoint.

NVD Source

Technical Analysis

CVE-2023-41027 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

juplink2 product(s)
rx4-1500 firmwarerx4-1500
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://blog.exodusintel.com/2023/09/18/juplink-rx4-1500-credential-disclosure-vulnerability/
ADVISORYhttps://blog.exodusintel.com/2023/09/18/juplink-rx4-1500-credential-disclosure-vulnerability/

All References (2)

→
https://blog.exodusintel.com/2023/09/18/juplink-rx4-1500-credential-disclosure-vulnerability/Third Party Advisory
→
https://blog.exodusintel.com/2023/09/18/juplink-rx4-1500-credential-disclosure-vulnerability/Third Party Advisory

Quick Facts

CVE IDCVE-2023-41027
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-210
CISA KEVNo
Affected1 vendor(s)
PublishedSep 22, 2023

Related CVEs (CWE-210)

CVE-2021-40126
4.3

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-41027 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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