{"id":"CVE-2022-4499","aliases":["EUVD-2022-51840","GHSA-q8rg-vqgg-9pmq"],"status":"published","title":"The strcmp function in TP-Link routers, Archer C5 and WR710N-V1, used for checking credentials in httpd, is susceptible to a side-channel attack.","description":"TP-Link routers, Archer C5 and WR710N-V1, using the latest software, the strcmp function used for checking credentials in httpd, is susceptible to a side-channel attack. By measuring the response time of the httpd process, an attacker could guess each byte of the username and password.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00728,"percentile":0.54527,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-203"],"published":"2023-01-11T18:48:41Z","modified":"2026-06-17T05:21:02Z","products":[{"vendor":"tp-link","product":"archer c5"},{"vendor":"tp-link","product":"archer_c5_firmware"},{"vendor":"tp-link","product":"tl-wr710n_firmware"},{"vendor":"tp-link","product":"wr710n"}],"references":[{"url":"https://kb.cert.org/vuls/id/572615","tags":["x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.kb.cert.org/vuls/id/572615"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4499"},{"url":"https://github.com/advisories/GHSA-q8rg-vqgg-9pmq"}],"sources":{"cve":[{"id":"CVE-2022-4499","title":"The strcmp function in TP-Link routers, Archer C5 and WR710N-V1, used for checking credentials in httpd, is susceptible to a side-channel attack.","description":"TP-Link routers, Archer C5 and WR710N-V1, using the latest software, the strcmp function used for checking credentials in httpd, is susceptible to a side-channel attack. By measuring the response time of the httpd process, an attacker could guess each byte of the username and password.","status":"published","published":"2023-01-11T18:48:41.778Z","modified":"2025-11-04T19:14:15.425Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"updated_at":"2026-11-02T14:34:37.599536Z"}],"euvd":[{"id":"EUVD-2022-51840","description":"TP-Link routers, Archer C5 and WR710N-V1, using the latest software, the strcmp function used for checking credentials in httpd, is susceptible to a side-channel attack. By measuring the response time of the httpd process, an attacker could guess each byte of the username and password.","status":"published","published":"2023-01-11T18:48:41Z","modified":"2025-11-04T19:14:15Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T19:49:22.827048Z"}],"ghsa":[{"id":"GHSA-q8rg-vqgg-9pmq","title":"TP-Link routers, Archer C5 and WR710N-V1, using the latest software, the strcmp function used for...","description":"TP-Link routers, Archer C5 and WR710N-V1, using the latest software, the strcmp function used for checking credentials in httpd, is susceptible to a side-channel attack. By measuring the response time of the httpd process, an attacker could guess each byte of the username and password.","status":"published","published":"2023-01-11T21:30:41Z","modified":"2025-11-04T21:30:28Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T15:04:35.00238Z"}],"nvd":[{"id":"CVE-2022-4499","description":"TP-Link routers, Archer C5 and WR710N-V1, using the latest software, the strcmp function used for checking credentials in httpd, is susceptible to a side-channel attack. By measuring the response time of the httpd process, an attacker could guess each byte of the username and password.","status":"published","published":"2023-01-11T19:15:10.17Z","modified":"2026-06-17T05:21:02.927Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:07:35.157734Z"}]}}