{"id":"CVE-2023-35086","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-35086","generatedAt":"2026-11-04T23:11:15.416Z","title":"It is identified a format string vulnerability in ASUS RT-AX56U V2 & RT-AC86U.","description":"\nIt is identified a format string vulnerability in ASUS RT-AX56U V2 & RT-AC86U. This vulnerability is caused by directly using input as a format string when calling syslog in logmessage_normal function, in the do_detwan_cgi module of httpd. A remote attacker with administrator privilege can exploit this vulnerability to perform remote arbitrary code execution, arbitrary system operation or disrupt service.\n\nThis issue affects RT-AX56U V2: 3.0.0.4.386_50460; RT-AC86U: 3.0.0.4_386_51529.\n\n","published":"2023-07-21T07:15:10.000Z","lastModified":"2026-06-17T06:04:24.000Z","status":"Modified","sourceIdentifier":"twcert@cert.org.tw","cvss":{"version":"3.1","score":7.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-134"],"affected":["asus/rt-ac86u firmware","asus/rt-ax56u v2 firmware"],"epss":{"score":0.385,"percentile":0.98576,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 38.5%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://www.twcert.org.tw/tw/cp-132-7240-a5f96-1.html","tags":["Third Party Advisory"],"source":"twcert@cert.org.tw"},{"url":"https://www.twcert.org.tw/tw/cp-132-7240-a5f96-1.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-35086","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}