How severe is CVE-2020-25748?

CVE-2020-25748 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-25748 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25748?

CVE-2020-25748 primarily affects Rubetek Rv-3406 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-25748?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-25748 published?

CVE-2020-25748 was published on 2020-09-25 and last updated on 2026-06-17.

CVE-2020-25748

CVE-2020-25748 is a high-severity vulnerability in Rubetek Rv-3406 Firmware with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-319.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Rubetek Rv-3406 Firmware
Published: 2020-09-25
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-25748?: CVE-2020-25748 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-25748 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25748?: CVE-2020-25748 primarily affects Rubetek Rv-3406 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-25748?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-25748 published?: CVE-2020-25748 was published on 2020-09-25 and last updated on 2026-06-17.

References

https://github.com/jet-pentest/CVE-2020-25748

Affected products (6)

cpe:2.3:o:rubetek:rv-3406_firmware:339:*:*:*:*:*:*:*
cpe:2.3:o:rubetek:rv-3406_firmware:342:*:*:*:*:*:*:*
cpe:2.3:o:rubetek:rv-3409_firmware:339:*:*:*:*:*:*:*
cpe:2.3:o:rubetek:rv-3409_firmware:342:*:*:*:*:*:*:*
cpe:2.3:o:rubetek:rv-3411_firmware:339:*:*:*:*:*:*:*
cpe:2.3:o:rubetek:rv-3411_firmware:342:*:*:*:*:*:*:*

More vulnerabilities in Rubetek Rv-3406 Firmware

CVE-2020-25749 — Critical (CVSS 9.8): The Telnet service of Rubetek cameras RV-3406, RV-3409, and RV-3411 cameras (firmware versions v342, v339) could allow…
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