Answer in brief
CVE-2022-30525 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Zyxel/ATP series firmware (generic), Zyxel/USG 20(W)-VPN firmware (generic), Zyxel/USG FLEX 100(W) firmware (generic), Zyxel/USG FLEX 200 firmware (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2022-30525 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Zyxel/ATP series firmware (generic), Zyxel/USG 20(W)-VPN firmware (generic), Zyxel/USG FLEX 100(W) firmware (generic), Zyxel/USG FLEX 200 firmware (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Zyxel/ATP series firmware (generic), Zyxel/USG 20(W)-VPN firmware (generic), Zyxel/USG FLEX 100(W) firmware (generic), Zyxel/USG FLEX 200 firmware (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Zyxel/ATP series firmwaregeneric | 5.10 through 5.21 Patch 1 | Not reported |
| Zyxel/USG 20(W)-VPN firmwaregeneric | 5.10 through 5.21 Patch 1 | Not reported |
| Zyxel/USG FLEX 100(W) firmwaregeneric | 5.00 through 5.21 Patch 1 | Not reported |
| Zyxel/USG FLEX 200 firmwaregeneric | 5.00 through 5.21 Patch 1 | Not reported |
| Zyxel/USG FLEX 500 firmwaregeneric | 5.00 through 5.21 Patch 1 | Not reported |
| Zyxel/USG FLEX 50(W) firmwaregeneric | 5.10 through 5.21 Patch 1 | Not reported |
| Zyxel/USG FLEX 700 firmwaregeneric | 5.00 through 5.21 Patch 1 | Not reported |
| Zyxel/VPN series firmwaregeneric | 4.60 through 5.21 Patch 1 | Not reported |
Published upstream
May 12, 2022
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
May 16, 2022
Evidence: source:kev:kev:kev:recordA 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.
Quoted source text, attributed separately from HOL analysis.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Zyxel/ATP series firmware (generic), Zyxel/USG 20(W)-VPN firmware (generic), Zyxel/USG FLEX 100(W) firmware (generic), Zyxel/USG FLEX 200 firmware (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Zyxel/ATP series firmwaregeneric | 5.10 through 5.21 Patch 1 | Not reported |
| Zyxel/USG 20(W)-VPN firmwaregeneric | 5.10 through 5.21 Patch 1 | Not reported |
| Zyxel/USG FLEX 100(W) firmwaregeneric | 5.00 through 5.21 Patch 1 | Not reported |
| Zyxel/USG FLEX 200 firmwaregeneric | 5.00 through 5.21 Patch 1 | Not reported |
| Zyxel/USG FLEX 500 firmwaregeneric | 5.00 through 5.21 Patch 1 | Not reported |
| Zyxel/USG FLEX 50(W) firmwaregeneric | 5.10 through 5.21 Patch 1 | Not reported |
| Zyxel/USG FLEX 700 firmwaregeneric | 5.00 through 5.21 Patch 1 | Not reported |
| Zyxel/VPN series firmwaregeneric | 4.60 through 5.21 Patch 1 | Not reported |
Published upstream
May 12, 2022
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
May 16, 2022
Evidence: source:kev:kev:kev:recordA 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.
Quoted source text, attributed separately from HOL analysis.