What is CVE-2018-12577?

CVE-2018-12577 is a high-severity vulnerability in TP-Link Tl-Wr841n, classified under OS Command Injection. CVSS score: 8.8/10. Published 2018-07-02.

How severe is CVE-2018-12577?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2018-12577 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in TP-Link Tl-Wr841n

CVE-2018-12577

The Ping and Traceroute features on TP-Link TL-WR841N v13 00000001 0.9.1 4.16 v0001.0 Build 180119 Rel.65243n devices allow authenticated blind Command Injection.

Vulnerability class: Command Injection (OS Command Injection)

Published 2018-07-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.027 (85.6th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

TP-Link Tl-Wr841n — versions 13.0
TP-Link Tl-Wr841n Firmware — versions 0.9.1_4.16

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2020-35576

References

software-talk.org/blog/2018/06/tplink-wr841n-code-exec-cve-2018-12577/ (Third Party Advisory, Broken Link)

Frequently asked questions

What is CVE-2018-12577?: CVE-2018-12577 is a high-severity vulnerability in TP-Link Tl-Wr841n, classified under OS Command Injection. CVSS score: 8.8/10. Published 2018-07-02.
How severe is CVE-2018-12577?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-12577 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.