VulnRadar

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Page generated: 07 Nov 2026, 05:40 UTC

CVE-2022-30525

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A OS command injection vulnerability in the CGI program of Zyxel USG FLEX 100(W) firmware versions 5.00 through 5.21 Patch 1, USG FLEX 200 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 500 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 700 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 50(W) firmware versions 5.10 through 5.21 Patch 1, USG20(W)-VPN firmware versions 5.10 through 5.21 Patch 1, ATP series firmware versions 5.10 through 5.21 Patch 1, VPN series firmware versions 4.60 through 5.21 Patch 1, which could allow an attacker to modify specific files and then execute some OS commands on a vulnerable device.

CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE

0.0/10

REALITY · THREAT PRIORITY

9.0/10

General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?

Recorded exploitation baseline: +7.00
Technical severity: CVSS 9.8: +1.47
Fresh EPSS: 99.94%: +0.50

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 10 documents and public datasets.

Hype components

Headline sample (25%)

0/100

Press, 30 days (60%)

0/100

Grounded branding (15%)

0/100

HYPE TOTAL0/100

Sources and documents

The Hacker News

Press · 17 Aug 2026, 07:00 · Evooo1Bot Linux Botnet Exploits Known Flaws to Turn Edge Devices Into SOCKS5 Proxies - The Hacker News

GreyNoise

Press · 26 Feb 2025, 08:00 · GreyNoise Detects Active Exploitation of CVEs Mentioned in Black Basta’s Leaked Chat Logs - GreyNoise

Google Cloud

Press · 21 Mar 2024, 07:00 · Bringing Access Back — Initial Access Brokers Exploit F5 BIG-IP (CVE-2023-46747) and ScreenConnect - Google Cloud

The Hacker News

Press · 28 Sep 2022, 07:00 · Researchers Warn of New Go-based Malware Targeting Windows and Linux Systems - The Hacker News

Rapid7

Press · 14 Jun 2022, 07:00 · CVE-2022-32230: Windows SMB Denial-of-Service Vulnerability (FIXED) - Rapid7

See all 10 source documents

Help Net Security

Press · 13 Jun 2022, 07:00 · Metasploit 6.2.0 comes with 138 new modules, 148 enhancements and features - Help Net Security

The Hacker News

Press · 27 May 2022, 07:00 · Zyxel Issues Patches for 4 New Flaws Affecting AP, API Controller, and Firewall Devices - The Hacker News

Rapid7

Press · 24 May 2022, 07:00 · CVE-2022-22977: VMware Guest Authentication Service LPE (FIXED) - Rapid7

BleepingComputer

Press · 15 May 2022, 07:00 · Hackers are exploiting critical bug in Zyxel firewalls and VPNs - BleepingComputer

Rapid7

Press · 12 May 2022, 07:00 · CVE-2022-30525 (FIXED): Zyxel Firewall Unauthenticated Remote Command Injection - Rapid7

Score evolution

● Hype ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 9.0 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

Public exploit entries / repo candidates

See 6 repos with metrics

Repository	Stars	Forks	Language	Updated
jbaines-r7/victorian_machinery	30	13	Python	12 May 2022, 10:37
west9b/CVE-2022-30525	12	3	Go	28 May 2022, 07:52
iveresk/cve-2022-30525	3	0	Go	24 May 2022, 15:06
ProngedFork/CVE-2022-30525	1	1	Python	13 Jun 2022, 21:22
superzerosec/CVE-2022-30525	1	0	Python	17 May 2022, 23:42
160Team/CVE-2022-30525	0	0	—	19 May 2022, 12:09

Public exploit evidence

exploitdb #50946 2022-06-03

Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence: Exploitation recorded
Priority basis: Recorded exploitation; CVSS 9.8; EPSS 99.9%
Attention, last 30 days: 0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential: network access, no prior privileges, no user interaction.
Observed activity: Exploitation recorded in CISA KEV.
Known scale: Not quantified.
Evidence confidence basis: Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:39.203217+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline

First press mention

12 May 2022, 07:00

Published

12 May 2022, 13:05

Added to the CISA KEV catalog

16 May 2022, 00:00

Latest press mention

17 Aug 2026, 07:00

Score calculated

05 Nov 2026, 13:58

PoCs on GitHub

6 repositories