HOMEVULNERABILITIESCVE-2020-25747
CRITICAL

CVE-2020-25747

CWE-306Published: September 25, 2020· Updated: Jun 17, 2026

9.4
CVSS v3.1

Official Description

The Telnet service of Rubetek RV-3406, RV-3409, and RV-3411 cameras (firmware versions v342, v339) can allow a remote attacker to gain access to RTSP and ONFIV services without authentication. Thus, the attacker can watch live streams from the camera, rotate the camera, change some settings (brightness, clarity, time), restart the camera, or reset it to factory settings.

NVD Source

Technical Analysis

CVE-2020-25747 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), availability disruption (denial of service), with a CVSS base score of 9.4.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityLow
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H

Affected Vendors & Products

rubetek6 product(s)
rv-3406 firmwarerv-3406rv-3409 firmwarerv-3409rv-3411 firmwarerv-3411
Source: NVD CPE · 9 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2020-25747
CVSS Score9.4 / 10
SeverityCRITICAL
WeaknessCWE-306
CISA KEVNo
Affected1 vendor(s)
PublishedSep 25, 2020

Related CVEs (CWE-306)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2020-25747 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.