How severe is CVE-2018-17533?

CVE-2018-17533 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-17533 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17533?

CVE-2018-17533 primarily affects Teltonika Rut900 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-17533?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-17533 published?

CVE-2018-17533 was published on 2018-10-15 and last updated on 2026-06-17.

CVE-2018-17533

CVE-2018-17533 is a medium-severity vulnerability in Teltonika Rut900 Firmware with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Teltonika Rut900 Firmware
Published: 2018-10-15
Last modified: 2026-06-17

Description

Teltonika RUT9XX routers with firmware before 00.05.01.1 are prone to cross-site scripting vulnerabilities in hotspotlogin.cgi due to insufficient user input sanitization.

Frequently asked questions

What is CVE-2018-17533?: Teltonika RUT9XX routers with firmware before 00.05.01.1 are prone to cross-site scripting vulnerabilities in hotspotlogin.cgi due to insufficient user input sanitization.
How severe is CVE-2018-17533?: CVE-2018-17533 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-17533 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17533?: CVE-2018-17533 primarily affects Teltonika Rut900 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-17533?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-17533 published?: CVE-2018-17533 was published on 2018-10-15 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:teltonika:rut900_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:teltonika:rut950_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:teltonika:rut955_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Teltonika Rut900 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…

All CVEs affecting Teltonika Rut900 Firmware →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →