TOTOLINK EX1200T V4.1.2cu.5215 is affected by a command injection vulnerability that can remotely execute arbitrary code.

published 2022-05-31 4 y ago modified 2026-07-09 4 mo ago also EUVD-2021-29827

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 6.5%; EPSS 6.5% chance of exploitation in 30 days, percentile 93%
public exploits: 0; none known

Exploit prediction

6.49% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/p1Kk/vuln/blob/main/totolink_ex1200t_NoticeUrl_rce4.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

github.com /p1Kk/vuln/blob/main/totolink_ex1200t_NoticeUrl_rce4.md
exploit, third-party-advisory
totolink.net /
vendor-advisory

Sources

CVE List CVE-2021-42872
NVD CVE-2021-42872

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary