In Yeastar N412 and N824 Configuration Panel 42.x and 45.x, an unauthenticated attacker can create backup file and download it, revealing a…

published 2023-01-20 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-50491

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 46%
public exploits: 0; none known

In Yeastar N412 and N824 Configuration Panel 42.x and 45.x, an unauthenticated attacker can create backup file and download it, revealing admin hash, allowing, once cracked, to login inside the Configuration Panel, otherwise, replacing the hash in the archive and restoring it on the device which will change admin password granting access to the device.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: 19 mo ago (2025-04-03)

Exploit prediction

0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

swascan.com https://www.swascan.com/security-advisory-yeastar-n412-and-n824-configuration-panel/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Classification

Weakness

CWE-916 Use of Password Hash With Insufficient Computational Effort

References

swascan.com /security-advisory-yeastar-n412-and-n824-configuration-panel/
exploit, technical-description, third-party-advisory
yeastar.com /n-series-analog-phone-system/
product, vendor-advisory

Sources

CVE List CVE-2022-47732
NVD CVE-2022-47732

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