How severe is CVE-2021-46418?

CVE-2021-46418 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-46418 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 24% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-46418?

CVE-2021-46418 affects Telesquare Tlr-2855ks6 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-46418?

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

When was CVE-2021-46418 published?

CVE-2021-46418 was published on 2022-04-07 and last updated on 2026-06-17.

CVE-2021-46418

CVE-2021-46418 is a high-severity vulnerability in Telesquare Tlr-2855ks6 Firmware with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 24% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 24% (98th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Telesquare Tlr-2855ks6 Firmware
Published: 2022-04-07
Last modified: 2026-06-17

Description

An unauthorized file creation vulnerability in Telesquare TLR-2855KS6 via PUT method can allow creation of CGI scripts.

Frequently asked questions

What is CVE-2021-46418?: An unauthorized file creation vulnerability in Telesquare TLR-2855KS6 via PUT method can allow creation of CGI scripts.
How severe is CVE-2021-46418?: CVE-2021-46418 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-46418 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 24% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-46418?: CVE-2021-46418 affects Telesquare Tlr-2855ks6 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-46418?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-46418 published?: CVE-2021-46418 was published on 2022-04-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:telesquare:tlr-2855ks6_firmware:-:*:*:*:*:*:*:*

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