CVE-2018-19879
CVE-2018-19879 is a high-severity vulnerability in Teltonika Rut950 Firmware with a CVSS 3.x base score of 7.1. 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-307.
Key facts
- Severity: High (CVSS 3.x base score 7.1)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (66th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-307
- Affected product: Teltonika Rut950 Firmware
- Published:
- Last modified:
Description
An issue was discovered in /cgi-bin/luci on Teltonika RTU9XX (e.g., RUT950) R_31.04.89 before R_00.05.00.5 devices. The authentication functionality is not protected from automated tools used to make login attempts to the application. An anonymous attacker has the ability to make unlimited login attempts with an automated tool. This ability could lead to cracking a targeted user's password.
Frequently asked questions
- What is CVE-2018-19879?
- An issue was discovered in /cgi-bin/luci on Teltonika RTU9XX (e.g., RUT950) R_31.04.89 before R_00.05.00.5 devices. The authentication functionality is not protected from automated tools used to make login attempts to the application. An anonymous attacker has the ability to make unlimited login attempts with an automated tool. This ability could lead to cracking a targeted user's password.
- How severe is CVE-2018-19879?
- CVE-2018-19879 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2018-19879 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-19879?
- CVE-2018-19879 affects Teltonika Rut950 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-19879?
- 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-2018-19879 published?
- CVE-2018-19879 was published on 2019-03-28 and last updated on 2026-06-17.
References
- https://wiki.teltonika.lt/index.php?title=RUT9xx_Firmware
- https://www.triadsec.com/CVE-2018-19879.pdf
Affected products (1)
- cpe:2.3:o:teltonika:rut950_firmware:r_31.04.89:*:*:*:*:*:*:*
More vulnerabilities in Teltonika Rut950 Firmware
- CVE-2018-17532 — Critical (CVSS 9.8): Teltonika RUT9XX routers with firmware before 00.04.233 are prone to multiple unauthenticated OS command injection…
- CVE-2017-8116 — Critical (CVSS 9.8): The management interface for the Teltonika RUT9XX routers (aka LuCI) with firmware 00.03.265 and earlier allows remote…
- CVE-2018-17534 — Medium (CVSS 6.8): Teltonika RUT9XX routers with firmware before 00.04.233 provide a root terminal on a serial interface without proper…
- CVE-2018-19878 — Medium (CVSS 6.5): An issue was discovered on Teltonika RTU950 R_31.04.89 devices. The application allows a user to login without…
- CVE-2018-17533 — Medium (CVSS 6.1): Teltonika RUT9XX routers with firmware before 00.05.01.1 are prone to cross-site scripting vulnerabilities in…
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