CVE-2020-35576Tl-Wr841n Firmware OS Command Injection
A Command Injection issue in the traceroute feature on TP-Link TL-WR841N V13 (JP) with firmware versions prior to 201216 allows authenticated users to execute arbitrary code as root via shell metacharacters, a different vulnerability than CVE-2018-12577.
Published Jan 26, 2021 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2020-35576 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Tl-Wr841n Firmware (Tp-Link).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 42% probability of exploitation in the next 30 days.
- Fixed versions are available, including Tl-Wr841n Firmware 201216.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
42%
Higher than 98.6% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
39/100
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
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
A Command Injection issue in the traceroute feature on TP-Link TL-WR841N V13 (JP) with firmware versions prior to 201216 allows authenticated users to execute arbitrary code as root via shell metacharacters, a different vulnerability than CVE-2018-12577.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Tl-Wr841n FirmwareTp-Link | See advisory | 201216 |
Patched Releases
Tl-Wr841n Firmware
201216
Timeline
Publicly disclosed
Jan 26, 2021
Last updated
Nov 21, 2024
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- advisorytp-link.com · security
- patchjvn.jp · JVNVU92444096
- patchtp-link.com · v13
- exploitExploitDB-50058
FAQ
Common Questions.
A Command Injection issue in the traceroute feature on TP-Link TL-WR841N V13 (JP) with firmware versions prior to 201216 allows authenticated users to execute arbitrary code as root via shell metacharacters, a different vulnerability than CVE-2018-12577.
Affected: Tl-Wr841n Firmware (Tp-Link). 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.
Fixed versions are available, including Tl-Wr841n Firmware 201216.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2020-35576 On Your Attack Surface?
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