TOTOLINK EX1800T V9.1.0cu.2112_B20220316 has a vulnerability in the apcliEncrypType parameter that allows unauthorized execution of arbitra…

published 2024-05-08 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-34717

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 3.8%; EPSS 3.8% chance of exploitation in 30 days, percentile 90%
public exploits: 0; none known, plus a Nuclei check

TOTOLINK EX1800T V9.1.0cu.2112_B20220316 has a vulnerability in the apcliEncrypType parameter that allows unauthorized execution of arbitrary commands, allowing an attacker to obtain device administrator privileges.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: total
Assessed: 2 y ago (2024-08-01)

Exploit prediction

3.82% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Nuclei template TOTOLINK EX1800T TOTOLINK EX1800T - Command Injection nuclei detection template
github.com https://github.com/ZackSecurity/VulnerReport/blob/cve/totolink/EX1800T/1.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

totolink ex1800t_firmware

Classification

Weakness

CWE-285 Improper Authorization

References

github.com /ZackSecurity/VulnerReport/blob/cve/totolink/EX1800T/1.md
exploit, third-party-advisory
immense-mirror-b42.notion.site /TOTOLINK-EX1800T-has-an-unauthorized-arbitrary-command-execution-vulnerability-2f3e308f5e1d45a2b8a64f198cacc3
broken-link

Sources

CVE List CVE-2024-34257
NVD CVE-2024-34257

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