What is CVE-2025-9603?

CVE-2025-9603 is a medium-severity vulnerability in Telesquare Tlr-2005ksh, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2025-08-29.

How severe is CVE-2025-9603?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Is CVE-2025-9603 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Telesquare Tlr-2005ksh

CVE-2025-9603

A vulnerability was determined in Telesquare TLR-2005KSH 1.2.4. The affected element is an unknown function of the file /cgi-bin/internet.cgi?Command=lanCfg. Executing manipulation of the argument Hostname can lead to command injection. The attack may be performed from a remote location. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Published 2025-08-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.076 (94.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.076 · newest: 0.076 · change: 0.000

Affected products

Telesquare Tlr-2005ksh — versions 1.2.4
Telesquare Tlr-2005ksh Firmware — versions 1.2.4

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
github.com/lin-3-start/lin-cve/blob/main/Telesquare Tlr-2005Ksh/Telesquare Tlr-… (related, Exploit, Third Party Advisory)
github.com/lin-3-start/lin-cve/blob/main/Telesquare Tlr-2005Ksh/Telesquare Tlr-… (Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2025-9603?: CVE-2025-9603 is a medium-severity vulnerability in Telesquare Tlr-2005ksh, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2025-08-29.
How severe is CVE-2025-9603?: Medium severity. CVSS v3 base score is 6.3 out of 10.
Is CVE-2025-9603 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.