{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-4497","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-03-20T09:21:26.000Z","datePublished":"2026-03-20T19:02:12.950Z","dateUpdated":"2026-03-20T21:23:40.061Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-03-20T19:02:12.950Z"},"title":"Totolink WA300 cstecgi.cgi recvUpgradeNewFw os command injection","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-78","lang":"en","description":"OS Command Injection"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-77","lang":"en","description":"Command Injection"}]}],"affected":[{"vendor":"Totolink","product":"WA300","versions":[{"version":"5.2cu.7112_B20190227","status":"affected"}],"cpes":["cpe:2.3:o:totolink:wa300_firmware:*:*:*:*:*:*:*:*"]}],"descriptions":[{"lang":"en","value":"A vulnerability was determined in Totolink WA300 5.2cu.7112_B20190227. Affected by this issue is the function recvUpgradeNewFw of the file /cgi-bin/cstecgi.cgi. This manipulation causes os command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":6.9,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":7.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":7.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":7.5,"vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}],"timeline":[{"time":"2026-03-20T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-03-20T01:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-03-20T10:26:30.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"junqi (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/?id.352046","name":"VDB-352046 | Totolink WA300 cstecgi.cgi recvUpgradeNewFw os command injection","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.352046","name":"VDB-352046 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.773875","name":"Submit #773875 | Totolink WA300 V5.2cu.7112_B20190227 OS Command Injection","tags":["third-party-advisory"]},{"url":"https://github.com/hellonestor/killallbug/issues/1","tags":["issue-tracking"]},{"url":"https://github.com/user-attachments/files/25790616/Unauthenticated.Remote.Code.Execution.in.TOTOLINK.WA300.via.Command.Injection.in.recvUpgradeNewFw.zip","tags":["exploit","patch"]},{"url":"https://www.totolink.net/","tags":["product"]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-20T21:23:26.611696Z","id":"CVE-2026-4497","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-20T21:23:40.061Z"}}]}}