{"cve":"CVE-2022-26532","nvd":{"published":"2022-05-24T06:15:09.390","modified":"2026-06-17T04:35:21.990","status":"Modified","description":"A argument injection vulnerability in the 'packet-trace' CLI command of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, VPN series firmware versions 4.30 through 5.21, NSG series firmware versions 1.00 through 1.33 Patch 4, NXC2500 firmware version 6.10(AAIG.3) and earlier versions, NAP203 firmware version 6.25(ABFA.7) and earlier versions, NWA50AX firmware version 6.25(ABYW.5) and earlier versions, WAC500 firmware version 6.30(ABVS.2) and earlier versions, and WAX510D firmware version 6.30(ABTF.2) and earlier versions, that could allow a local authenticated attacker to execute arbitrary OS commands by including crafted arguments to the CLI command.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-78","CWE-88"],"references":["http://packetstormsecurity.com/files/167464/Zyxel-Buffer-Overflow-Format-String-Command-Injection.html","http://seclists.org/fulldisclosure/2022/Jun/15","https://www.zyxel.com/support/multiple-vulnerabilities-of-firewalls-AP-controllers-and-APs.shtml","http://packetstormsecurity.com/files/167464/Zyxel-Buffer-Overflow-Format-String-Command-Injection.html","http://seclists.org/fulldisclosure/2022/Jun/15"],"products":["zyxel:atp100_firmware","zyxel:atp100w_firmware","zyxel:atp200_firmware","zyxel:atp500_firmware","zyxel:atp700_firmware","zyxel:atp800_firmware","zyxel:nap203_firmware","zyxel:nap303_firmware","zyxel:nap353_firmware","zyxel:nsg100_firmware","zyxel:nsg300_firmware","zyxel:nsg50_firmware","zyxel:nwa110ax_firmware","zyxel:nwa1123-ac-hd_firmware","zyxel:nwa1123-ac-pro_firmware","zyxel:nwa1123acv3_firmware","zyxel:nwa1302-ac_firmware","zyxel:nwa210ax_firmware","zyxel:nwa50ax_firmware","zyxel:nwa5123-ac-hd_firmware","zyxel:nwa55axe_firmware","zyxel:nwa90ax_firmware","zyxel:nxc2500_firmware","zyxel:nxc5500_firmware","zyxel:usg200_firmware","zyxel:usg20_firmware","zyxel:usg210_firmware","zyxel:usg2200_firmware","zyxel:usg300_firmware","zyxel:usg310_firmware","zyxel:usg_1100_firmware","zyxel:usg_110_firmware","zyxel:usg_1900_firmware","zyxel:usg_20w-vpn_firmware","zyxel:usg_20w_firmware","zyxel:usg_2200-vpn_firmware","zyxel:usg_310_firmware","zyxel:usg_40_firmware","zyxel:usg_40w_firmware","zyxel:usg_60_firmware","zyxel:usg_60w_firmware","zyxel:usg_flex_100_firmware","zyxel:usg_flex_100w_firmware","zyxel:usg_flex_200_firmware","zyxel:usg_flex_500_firmware","zyxel:usg_flex_700_firmware","zyxel:vpn1000_firmware","zyxel:vpn100_firmware","zyxel:vpn300_firmware","zyxel:vpn50_firmware"],"source":"nvd","synced_at":"2026-10-19T21:31:59.322382750+00:00"},"epss":{"cve":"CVE-2022-26532","score":0.04829,"percentile":0.91988,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}