CVE-2024-29973
High PUBLISHED** UNSUPPORTED WHEN ASSIGNED ** The command injection vulnerability in the “setCookie” parameter in Zyxel NAS326 firmware versions before...
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
** UNSUPPORTED WHEN ASSIGNED ** The command injection vulnerability in the “setCookie” parameter in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted HTTP POST request.
- CVE Published
- Jun 04, 2024
- Exploitation Reported
- Jul 08, 2026
- CVSS
- 9.8 Critical
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| zyxel |
nas326_firmware
|
0 to < v5.21\(aazf.17\)co |
Affected |
| zyxel |
nas542_firmware
|
0 to < 5.21\(abag.14\)co |
Affected |
| Zyxel |
NAS326 firmware
|
< V5.21(AAZF.17)C0 |
Affected |
| Zyxel |
NAS542 firmware
|
< V5.21(ABAG.14)C0 |
Affected |
CVE References
- Vendor Advisory — zyxel.com zyxel.com · Vendor Advisory https://www.zyxel.com/global/en/support/security-advisories/zyxel-sec...
- outpost24.com/blog/zyxel-nas-critical-vulnerabilities outpost24.com · CVE Record https://outpost24.com/blog/zyxel-nas-critical-vulnerabilities/
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| The Shadowserver First | 2025-06-26 00:00 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-29973.yaml | Apr 25, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
Exploited in the wild
Recorded 2026-07-08 00:00:00 UTC · The Shadowserver
Proof of concept available
Recorded 2024-06-19 09:28:46 UTC · GitHub
Weaknesses (CWE)
-
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-29973.yaml | Apr 25, 2025 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2024-06-21 15:20:52 UTC · 7 stars
Exploiter a Vulnerability detection and Exploitation tool for CVE-2024-29973 with Asychronous Performance.
github · Created 2024-06-20 01:52:35 UTC · 10 stars
github · Created 2024-06-19 09:28:46 UTC · 3 stars
nuclei · Created Unknown
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC about 1 year ago00:00 UTC · about 1 year ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
00:00 UTC about 1 year ago00:00 UTC · about 1 year ago
Nuclei template available
Scanner coverage available
-
09:28 UTC about 2 years ago09:28 UTC · about 2 years ago
Public PoC available
Public proof-of-concept code published
-
01:29 UTC about 2 years ago01:29 UTC · about 2 years ago
CVE published
Vulnerability disclosed publicly
-
08:49 UTC over 2 years ago08:49 UTC · over 2 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2024-29973
{
"cve_id": "CVE-2024-29973",
"title": "** UNSUPPORTED WHEN ASSIGNED **\nThe command injection vulnerability in the “s...",
"affected_vendor": "Zyxel",
"affected_product": "NAS326 firmware, NAS542 firmware",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 9.8,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}