Vulnerability Name:

CVE-2017-11519 (CCN-129330)

Assigned:2017-07-21
Published:2017-07-21
Updated:2019-10-03
Summary:passwd_recovery.lua on the TP-Link Archer C9(UN)_V2_160517 allows an attacker to reset the admin password by leveraging a predictable random number generator seed. This is fixed in C9(UN)_V2_170511.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.8 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
6.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-335
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2017-11519

Source: CCN
Type: TP-Link Web site
TP-Link: WiFi Networking Equipment for Home & Business

Source: MISC
Type: Third Party Advisory
http://www.tp-link.com/en/download/Archer-C9_V2.html#Firmware

Source: CCN
Type: devcraft.io Web site
TP-Link Archer C9 - Admin Password Reset and RCE (CVE-2017-11519)

Source: MISC
Type: Exploit, Third Party Advisory
https://devcraft.io/posts/2017/07/21/tp-link-archer-c9-admin-password-reset.html

Source: XF
Type: UNKNOWN
tplink-archer-cve201711519-sec-bypass(129330)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:tp-link:archer_c9_(2.0)_firmware:160517:*:*:*:*:*:*:*
  • AND
  • cpe:/h:tp-link:archer_c9_(2.0):-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    tp-link archer c9 (2.0) firmware 160517
    tp-link archer c9 (2.0) -