How severe is CVE-2018-17532?

CVE-2018-17532 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-17532 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 71% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17532?

CVE-2018-17532 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-2018-17532?

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

When was CVE-2018-17532 published?

CVE-2018-17532 was published on 2018-10-15 and last updated on 2026-06-17.

CVE-2018-17532

CVE-2018-17532 is a critical-severity vulnerability in Teltonika Rut900 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 71% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 71% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Teltonika Rut900 Firmware
Published: 2018-10-15
Last modified: 2026-06-17

Description

Teltonika RUT9XX routers with firmware before 00.04.233 are prone to multiple unauthenticated OS command injection vulnerabilities in autologin.cgi and hotspotlogin.cgi due to insufficient user input sanitization. This allows remote attackers to execute arbitrary commands with root privileges.

Frequently asked questions

What is CVE-2018-17532?: Teltonika RUT9XX routers with firmware before 00.04.233 are prone to multiple unauthenticated OS command injection vulnerabilities in autologin.cgi and hotspotlogin.cgi due to insufficient user input sanitization. This allows remote attackers to execute arbitrary commands with root privileges.
How severe is CVE-2018-17532?: CVE-2018-17532 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-17532 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 71% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17532?: CVE-2018-17532 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-2018-17532?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-17532 published?: CVE-2018-17532 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-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-2018-17533 — Medium (CVSS 6.1): Teltonika RUT9XX routers with firmware before 00.05.01.1 are prone to cross-site scripting vulnerabilities in…

All CVEs affecting Teltonika Rut900 Firmware →

Other CWE-78 (OS Command Injection) vulnerabilities

CVE-2026-100382 — Critical (CVSS 10.0): Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Wikimedia…
CVE-2026-77521 — Critical (CVSS 10.0): MaxKB is an open-source AI assistant for enterprise. Prior to version 2.10.5-lts, assistants with a tool, MCP tool,…
CVE-2026-82004 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) is affected by an Improper Neutralization of Special Elements used in an OS Command ('OS…
CVE-2026-76197 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) is affected by an Improper Neutralization of Special Elements used in an OS Command ('OS…
CVE-2026-76195 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) is affected by an Improper Neutralization of Special Elements used in an OS Command ('OS…
CVE-2026-19188 — Critical (CVSS 10.0): A critical OS command injection vulnerability has been identified in the Haiwell IoT Cloud HMI Gateway product. The…

Browse all CWE-78 (OS Command Injection) vulnerabilities →