How severe is CVE-2023-31728?

CVE-2023-31728 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-31728 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-31728?

CVE-2023-31728 affects Teltonika-networks Rut240 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-31728?

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.

Does CVE-2023-31728 have an EU (EUVD) identifier?

Yes. CVE-2023-31728 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-36019.

When was CVE-2023-31728 published?

CVE-2023-31728 was published on 2024-02-17 and last updated on 2026-06-17.

CVE-2023-31728

CVE-2023-31728 is a high-severity vulnerability in Teltonika-networks Rut240 Firmware with a CVSS 3.x base score of 7.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.0)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-36019
Affected product: Teltonika-networks Rut240 Firmware
Published: 2024-02-17
Last modified: 2026-06-17

Description

Teltonika RUT240 devices with firmware before 07.04.2, when bridge mode is used, sometimes make SSH and HTTP services available on the IPv6 WAN interface even though the UI shows that they are only available on the LAN interface.

Frequently asked questions

What is CVE-2023-31728?: Teltonika RUT240 devices with firmware before 07.04.2, when bridge mode is used, sometimes make SSH and HTTP services available on the IPv6 WAN interface even though the UI shows that they are only available on the LAN interface.
How severe is CVE-2023-31728?: CVE-2023-31728 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-31728 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-31728?: CVE-2023-31728 affects Teltonika-networks Rut240 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-31728?: 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.
Does CVE-2023-31728 have an EU (EUVD) identifier?: Yes. CVE-2023-31728 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-36019.
When was CVE-2023-31728 published?: CVE-2023-31728 was published on 2024-02-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:teltonika-networks:rut240_firmware:*:*:*:*:*:*:*:*

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