How severe is CVE-2023-24049?

CVE-2023-24049 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-24049 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-24049?

CVE-2023-24049 affects Connectize Ac21000 G6 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-24049?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-24049 published?

CVE-2023-24049 was published on 2023-12-04 and last updated on 2026-06-17.

CVE-2023-24049

CVE-2023-24049 is a critical-severity vulnerability in Connectize Ac21000 G6 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-521.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-521
Affected product: Connectize Ac21000 G6 Firmware
Published: 2023-12-04
Last modified: 2026-06-17

Description

An issue was discovered on Connectize AC21000 G6 641.139.1.1256 allows attackers to gain escalated privileges on the device via poor credential management.

Frequently asked questions

What is CVE-2023-24049?: An issue was discovered on Connectize AC21000 G6 641.139.1.1256 allows attackers to gain escalated privileges on the device via poor credential management.
How severe is CVE-2023-24049?: CVE-2023-24049 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-24049 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-24049?: CVE-2023-24049 affects Connectize Ac21000 G6 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-24049?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-24049 published?: CVE-2023-24049 was published on 2023-12-04 and last updated on 2026-06-17.

References

https://research.nccgroup.com/2023/10/19/technical-advisory-multiple-vulnerabilities-in-connectize-g6-ac2100-dual-band-gigabit-wifi-router-cve-2023-24046-cve-2023-24047-cve-2023-24048-cve-2023-24049-cve-2023-24050-cve-2023-24051-cve/

Affected products (1)

cpe:2.3:o:connectize:ac21000_g6_firmware:641.139.1.1256:*:*:*:*:*:*:*

More vulnerabilities in Connectize Ac21000 G6 Firmware

CVE-2023-24052 — Critical (CVSS 9.8): An issue discovered in Connectize AC21000 G6 641.139.1.1256 allows attackers to gain control of the device via the…
CVE-2023-24051 — Critical (CVSS 9.8): A client side rate limit issue discovered in Connectize AC21000 G6 641.139.1.1256 allows attackers to gain escalated…
CVE-2023-24048 — High (CVSS 8.8): Cross Site Request Forgery (CSRF) vulnerability in Connectize AC21000 G6 641.139.1.1256 allows attackers to gain…
CVE-2023-24047 — Medium (CVSS 6.8): An Insecure Credential Management issue discovered in Connectize AC21000 G6 641.139.1.1256 allows attackers to gain…
CVE-2023-24046 — Medium (CVSS 6.8): An issue was discovered on Connectize AC21000 G6 641.139.1.1256 allows attackers to run arbitrary commands via use of a…
CVE-2023-24050 — Medium (CVSS 5.4): Cross Site Scripting (XSS) vulnerability in Connectize AC21000 G6 641.139.1.1256 allows attackers to run arbitrary code…

All CVEs affecting Connectize Ac21000 G6 Firmware →

Other CWE-521 (Weak Password Requirements) vulnerabilities

CVE-2026-25715 — Critical (CVSS 9.8): The web management interface of the device allows the administrator username and password to be set to blank values.…
CVE-2025-53963 — Critical (CVSS 9.8): An issue was discovered on Thermo Fisher Ion Torrent OneTouch 2 INS1005527 devices. They run an SSH server accessible…
CVE-2025-63747 — Critical (CVSS 9.8): QaTraq 6.9.2 ships with administrative account credentials which are enabled in default installations and permit…
CVE-2025-12552 — Critical (CVSS 9.8): Insufficient Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
CVE-2025-11200 — Critical (CVSS 9.8): MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to…
CVE-2025-12364 — Critical (CVSS 9.8): Weak Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.

Browse all CWE-521 (Weak Password Requirements) vulnerabilities →