CVE-2023-2587

Severity: high (CVSS 8.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-22 · updated 2026-06-17
Weakness: CWE-79

Description

Teltonika’s Remote Management System versions prior to 4.10.0 contain a cross-site scripting (XSS) vulnerability in the main page of the web interface. An attacker with the MAC address and serial number of a connected device could send a maliciously crafted JSON file with an HTML object to trigger the vulnerability. This could allow the attacker to execute scripts in the account context and obtain remote code execution on managed devices.

Affected products

Teltonika Remote Management System: before 4.10.0 — fixed in 4.10.0

How to fix

Upgrade to a fixed version: Teltonika Remote Management System 4.10.0. Check the vendor advisory for mitigations.

References

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