An issue discovered in Connectize AC21000 G6 641.139.1.1256 allows attackers to gain control of the device via the change password function…

published 2023-12-04 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-28116

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits: 0; none known

An issue discovered in Connectize AC21000 G6 641.139.1.1256 allows attackers to gain control of the device via the change password functionality as it does not prompt for the current password.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2023-12-05)

Exploit prediction

0.91% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	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	8.8	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

connectize ac21000_g6_firmware

Classification

Weakness

CWE-863 Incorrect Authorization

References

research.nccgroup.com /2023/10/19/technical-advisory-multiple-vulnerabilities-in-connectize-g6-ac2100-dual-band-gigabit-wifi-router-
third-party-advisory

Sources

CVE List CVE-2023-24052
NVD CVE-2023-24052

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