How severe is CVE-2025-26011?

CVE-2025-26011 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-2025-26011 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-26011?

CVE-2025-26011 affects Telesquare Tlr-2005ksh Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-26011?

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.

Does CVE-2025-26011 have an EU (EUVD) identifier?

Yes. CVE-2025-26011 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8239.

When was CVE-2025-26011 published?

CVE-2025-26011 was published on 2025-03-26 and last updated on 2026-06-17.

CVE-2025-26011

CVE-2025-26011 is a critical-severity vulnerability in Telesquare Tlr-2005ksh Firmware with a CVSS 3.x base score of 9.8. 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-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-8239
Weakness: CWE-120
Affected product: Telesquare Tlr-2005ksh Firmware
Published: 2025-03-26
Last modified: 2026-06-17

Description

Telesquare TLR-2005KSH 1.1.4 has an unauthorized stack overflow vulnerability when requesting the admin.cgi parameter with setUsernamePassword.

Frequently asked questions

What is CVE-2025-26011?: Telesquare TLR-2005KSH 1.1.4 has an unauthorized stack overflow vulnerability when requesting the admin.cgi parameter with setUsernamePassword.
How severe is CVE-2025-26011?: CVE-2025-26011 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-2025-26011 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-26011?: CVE-2025-26011 affects Telesquare Tlr-2005ksh Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-26011?: 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.
Does CVE-2025-26011 have an EU (EUVD) identifier?: Yes. CVE-2025-26011 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8239.
When was CVE-2025-26011 published?: CVE-2025-26011 was published on 2025-03-26 and last updated on 2026-06-17.

References

https://github.com/Fan-24/Digging/blob/main/8/1.md

Affected products (1)

cpe:2.3:o:telesquare:tlr-2005ksh_firmware:1.1.4:*:*:*:*:*:*:*

More vulnerabilities in Telesquare Tlr-2005ksh Firmware

CVE-2025-26010 — Critical (CVSS 9.8): Telesquare TLR-2005KSH 1.1.4 allows unauthorized password modification when requesting the admin.cgi parameter with…
CVE-2025-26008 — Critical (CVSS 9.8): In Telesquare TLR-2005KSH 1.1.4, an unauthorized stack overflow vulnerability exists when requesting admin.cgi…
CVE-2025-26007 — Critical (CVSS 9.8): Telesquare TLR-2005KSH 1.1.4 has an unauthorized stack overflow vulnerability in the login interface when requesting…
CVE-2025-26006 — Critical (CVSS 9.8): Telesquare TLR-2005KSH 1.1.4 has an unauthorized stack overflow vulnerability when requesting the admin.cgi parameter…
CVE-2025-26005 — Critical (CVSS 9.8): Telesquare TLR-2005KSH 1.1.4 is vulnerable to unauthorized stack overflow vulnerability when requesting admin.cgi…
CVE-2025-26004 — Critical (CVSS 9.8): Telesquare TLR-2005KSH 1.1.4 is vulnerable to unauthorized stack buffer overflow vulnerability when requesting…

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