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    CVE-2018-20333

    An issue was discovered in ASUSWRT 3.0.0.4.384.20308. An unauthenticated user can request /update_applist.asp to see if a USB device is attached to the router and if there are apps installed on the router.

    Published:Mar 20, 2020
    Last Modified:Nov 21, 2024
    EPS:Mar 20, 2020
    EPSS Score:0.00526
    CVSS Score:7.5

    Affected Products

    Vendor
    Asus
    Product
    Asuswrt
    Vendor
    Asus
    Product
    Gt-ac2900
    Vendor
    Asus
    Product
    Gt-ac5300
    Vendor
    Asus
    Product
    Gt-ax11000
    Vendor
    Asus
    Product
    Rt-ac1200
    Vendor
    Asus
    Product
    Rt-ac1200 V2
    Vendor
    Asus
    Product
    Rt-ac1200g
    Vendor
    Asus
    Product
    Rt-ac1200ge
    Vendor
    Asus
    Product
    Rt-ac1750
    Vendor
    Asus
    Product
    Rt-ac1750 B1
    Vendor
    Asus
    Product
    Rt-ac1900p
    Vendor
    Asus
    Product
    Rt-ac3100
    Vendor
    Asus
    Product
    Rt-ac3200
    Vendor
    Asus
    Product
    Rt-ac51u
    Vendor
    Asus
    Product
    Rt-ac5300
    Vendor
    Asus
    Product
    Rt-ac55u
    Vendor
    Asus
    Product
    Rt-ac56r
    Vendor
    Asus
    Product
    Rt-ac56s
    Vendor
    Asus
    Product
    Rt-ac56u
    Vendor
    Asus
    Product
    Rt-ac66r
    Vendor
    Asus
    Product
    Rt-ac66u
    Vendor
    Asus
    Product
    Rt-ac66u-b1
    Vendor
    Asus
    Product
    Rt-ac66u B1
    Vendor
    Asus
    Product
    Rt-ac68p
    Vendor
    Asus
    Product
    Rt-ac68u
    Vendor
    Asus
    Product
    Rt-ac86u
    Vendor
    Asus
    Product
    Rt-ac87u
    Vendor
    Asus
    Product
    Rt-ac88u
    Vendor
    Asus
    Product
    Rt-acrh12
    Vendor
    Asus
    Product
    Rt-acrh13
    Vendor
    Asus
    Product
    Rt-ax3000
    Vendor
    Asus
    Product
    Rt-ax56u
    Vendor
    Asus
    Product
    Rt-ax58u
    Vendor
    Asus
    Product
    Rt-ax88u
    Vendor
    Asus
    Product
    Rt-ax92u
    Vendor
    Asus
    Product
    Rt-g32
    Vendor
    Asus
    Product
    Rt-n10\+d1
    Vendor
    Asus
    Product
    Rt-n10e
    Vendor
    Asus
    Product
    Rt-n14u
    Vendor
    Asus
    Product
    Rt-n16
    Vendor
    Asus
    Product
    Rt-n19
    Vendor
    Asus
    Product
    Rt-n56r
    Vendor
    Asus
    Product
    Rt-n56u
    Vendor
    Asus
    Product
    Rt-n600
    Vendor
    Asus
    Product
    Rt-n65u
    Vendor
    Asus
    Product
    Rt-n66r
    Vendor
    Asus
    Product
    Rt-n66u

    Exploits

    https://starlabs.sg/advisories/18-20333/https://starlabs.sg/advisories/18-20333/

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-116 Excavation
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-169 Footprinting
    CAPEC-22 Exploiting Trust in Client
    CAPEC-224 Fingerprinting
    CAPEC-285 ICMP Echo Request Ping
    CAPEC-287 TCP SYN Scan
    CAPEC-290 Enumerate Mail Exchange (MX) Records
    CAPEC-291 DNS Zone Transfers
    CAPEC-292 Host Discovery
    CAPEC-293 Traceroute Route Enumeration
    CAPEC-294 ICMP Address Mask Request
    CAPEC-295 Timestamp Request
    CAPEC-296 ICMP Information Request
    CAPEC-297 TCP ACK Ping
    CAPEC-298 UDP Ping
    CAPEC-299 TCP SYN Ping
    CAPEC-300 Port Scanning
    CAPEC-301 TCP Connect Scan
    CAPEC-302 TCP FIN Scan
    CAPEC-303 TCP Xmas Scan
    CAPEC-304 TCP Null Scan
    CAPEC-305 TCP ACK Scan
    CAPEC-306 TCP Window Scan
    CAPEC-307 TCP RPC Scan
    CAPEC-308 UDP Scan
    CAPEC-309 Network Topology Mapping
    CAPEC-310 Scanning for Vulnerable Software
    CAPEC-312 Active OS Fingerprinting
    CAPEC-313 Passive OS Fingerprinting
    CAPEC-317 IP ID Sequencing Probe
    CAPEC-318 IP 'ID' Echoed Byte-Order Probe
    CAPEC-319 IP (DF) 'Don't Fragment Bit' Echoing Probe
    CAPEC-320 TCP Timestamp Probe
    CAPEC-321 TCP Sequence Number Probe
    CAPEC-322 TCP (ISN) Greatest Common Divisor Probe
    CAPEC-323 TCP (ISN) Counter Rate Probe
    CAPEC-324 TCP (ISN) Sequence Predictability Probe
    CAPEC-325 TCP Congestion Control Flag (ECN) Probe
    CAPEC-326 TCP Initial Window Size Probe
    CAPEC-327 TCP Options Probe
    CAPEC-328 TCP 'RST' Flag Checksum Probe
    CAPEC-329 ICMP Error Message Quoting Probe
    CAPEC-330 ICMP Error Message Echoing Integrity Probe
    CAPEC-472 Browser Fingerprinting
    CAPEC-497 File Discovery
    CAPEC-508 Shoulder Surfing
    CAPEC-573 Process Footprinting
    CAPEC-574 Services Footprinting
    CAPEC-575 Account Footprinting
    CAPEC-576 Group Permission Footprinting
    CAPEC-577 Owner Footprinting
    CAPEC-59 Session Credential Falsification through Prediction
    CAPEC-60 Reusing Session IDs (aka Session Replay)
    CAPEC-616 Establish Rogue Location
    CAPEC-643 Identify Shared Files/Directories on System
    CAPEC-646 Peripheral Footprinting
    CAPEC-651 Eavesdropping
    CAPEC-79 Using Slashes in Alternate Encoding

    Related CVEs

    CVE-2022-26376 (CVSS 9.8) — A memory corruption vulnerability exists in the httpd unescape functionality of Asuswrt prior to 3.0.0.4.386_4…
    CVE-2018-20335 (CVSS 7.5) — An issue was discovered in ASUSWRT 3.0.0.4.384.20308. An unauthenticated user can trigger a DoS of the httpd s…
    CVE-2018-20334 (CVSS 9.8) — An issue was discovered in ASUSWRT 3.0.0.4.384.20308. When processing the /start_apply.htm POST data, there is…
    CVE-2017-15653 (CVSS 8.8) — Improper administrator IP validation after his login in the HTTPd server in all current versions (<= 3.0.0.4.3…
    CVE-2017-15656 (CVSS 8.8) — Password are stored in plaintext in nvram in the HTTPd server in all current versions (<= 3.0.0.4.380.7743) of…
    CVE-2017-15654 (CVSS 8.3) — Highly predictable session tokens in the HTTPd server in all current versions (<= 3.0.0.4.380.7743) of Asus as…
    CVE-2017-15655 (CVSS 9.6) — Multiple buffer overflow vulnerabilities exist in the HTTPd server in Asus asuswrt version <=3.0.0.4.376.X. Al…
    CVE-2018-5999 (CVSS 9.8) — An issue was discovered in AsusWRT before 3.0.0.4.384_10007. In the handle_request function in router/httpd/ht…
    CVE-2018-6000 (CVSS 9.8) — An issue was discovered in AsusWRT before 3.0.0.4.384_10007. The do_vpnupload_post function in router/httpd/we…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High