CVE-2020-25748

A Cleartext Transmission issue was discovered on Rubetek RV-3406, RV-3409, and RV-3411 cameras (firmware versions v342, v339). Someone in the middle can intercept and modify the video data from the camera, which is transmitted in an unencrypted form. One can also modify responses from NTP and RTSP servers and force the camera to use the changed values.

Published: 2020-09-25 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-25748 is rated Moderate Risk (51.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.83%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2020-25748

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.21% 0.83% +0.62%
2 2025-03-30 1.47% 0.21% -1.26%
3 2025-03-29 — 1.47% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-25748

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.1 3.1 HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.2 5.9 [email protected]
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2020-25748

Affected software / configurations for CVE-2020-25748

Vendor Product Version Raw CPE
rubetek rv-3406_firmware 339 cpe:2.3:o:rubetek:rv-3406_firmware:339:*:*:*:*:*:*:*
rubetek rv-3406_firmware 342 cpe:2.3:o:rubetek:rv-3406_firmware:342:*:*:*:*:*:*:*
rubetek rv-3409_firmware 339 cpe:2.3:o:rubetek:rv-3409_firmware:339:*:*:*:*:*:*:*
rubetek rv-3409_firmware 342 cpe:2.3:o:rubetek:rv-3409_firmware:342:*:*:*:*:*:*:*
rubetek rv-3411_firmware 339 cpe:2.3:o:rubetek:rv-3411_firmware:339:*:*:*:*:*:*:*
rubetek rv-3411_firmware 342 cpe:2.3:o:rubetek:rv-3411_firmware:342:*:*:*:*:*:*:*

References for CVE-2020-25748

URL Tags
https://github.com/jet-pentest/CVE-2020-25748 Third Party Advisory
cvelogic Threat Intelligence