Vulnerability Name:

CVE-2018-17012 (CCN-149892)

Assigned:2018-09-12
Published:2018-09-12
Updated:2020-08-24
Summary:An issue was discovered on TP-Link TL-WR886N 6.0 2.3.4 and TL-WR886N 7.0 1.1.0 devices. Authenticated attackers can crash router services (e.g., inetd, HTTP, DNS, and UPnP) via long JSON data for hosts_info set_block_flag up_limit.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-17012

Source: XF
Type: UNKNOWN
tplink-cve201817012-dos(149892)

Source: CCN
Type: GitHub Web site
TP-Link WR886N V7 Inetd Task Dos

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/PAGalaxyLab/VulInfo/blob/master/TP-Link/WR886N/inetd_task_dos_08/README.md

Source: CCN
Type: TP-Link Web site
TP-Link TL-WR886N devices

Vulnerable Configuration:Configuration 1:
  • cpe:/o:tp-link:tl-wr886n_firmware:6.0_2.3.4:*:*:*:*:*:*:*
  • OR cpe:/o:tp-link:tl-wr886n_firmware:7.0_1.1.0:*:*:*:*:*:*:*
  • AND
  • cpe:/h:tp-link:tl-wr886n:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    tp-link tl-wr886n firmware 6.0_2.3.4
    tp-link tl-wr886n firmware 7.0_1.1.0
    tp-link tl-wr886n -