How severe is CVE-2021-46423?

CVE-2021-46423 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-46423 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-46423?

CVE-2021-46423 affects Telesquare Tlr-2005ksh Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-46423?

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

When was CVE-2021-46423 published?

CVE-2021-46423 was published on 2022-04-27 and last updated on 2026-06-17.

CVE-2021-46423

CVE-2021-46423 is a medium-severity vulnerability in Telesquare Tlr-2005ksh Firmware with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Telesquare Tlr-2005ksh Firmware
Published: 2022-04-27
Last modified: 2026-06-17

Description

Telesquare TLR-2005KSH 1.0.0 is affected by an unauthenticated file download vulnerability that allows a remote attacker to download a full configuration file.

Frequently asked questions

What is CVE-2021-46423?: Telesquare TLR-2005KSH 1.0.0 is affected by an unauthenticated file download vulnerability that allows a remote attacker to download a full configuration file.
How severe is CVE-2021-46423?: CVE-2021-46423 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-46423 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-46423?: CVE-2021-46423 affects Telesquare Tlr-2005ksh Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-46423?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-46423 published?: CVE-2021-46423 was published on 2022-04-27 and last updated on 2026-06-17.

References

https://drive.google.com/drive/folders/1iY4QqzZLdYgwD0LYc74M4Gm2wSC6Be1u?usp=sharing

Affected products (1)

cpe:2.3:o:telesquare:tlr-2005ksh_firmware:1.0.0:*:*:*:*:*:*:*

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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…

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