CVE-2021-46418Tlr-2855ks6 Firmware Vulnerability
An unauthorized file creation vulnerability in Telesquare TLR-2855KS6 via PUT method can allow creation of CGI scripts.
Published Apr 7, 2022 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2021-46418 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Tlr-2855ks6 Firmware (Telesquare).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 24% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS (30-day exploit likelihood)
24%
Higher than 97.8% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
36/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
1
Reports of active use
Description
An unauthorized file creation vulnerability in Telesquare TLR-2855KS6 via PUT method can allow creation of CGI scripts.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Tlr-2855ks6 FirmwareTelesquare | See advisory | n/a |
Timeline
Publicly disclosed
Apr 7, 2022
Last updated
Nov 21, 2024
FAQ
Common Questions.
An unauthorized file creation vulnerability in Telesquare TLR-2855KS6 via PUT method can allow creation of CGI scripts.
Affected: Tlr-2855ks6 Firmware (Telesquare). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2021-46418 On Your Attack Surface?
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