Vulnerability Name:

CVE-2017-17746 (CCN-136656)

Assigned:2017-12-19
Published:2017-12-19
Updated:2019-10-03
Summary:Weak access control methods on the TP-Link TL-SG108E 1.0.0 allow any user on a NAT network with an authenticated administrator to access the device without entering user credentials. The authentication record is stored on the device; thus if an administrator authenticates from a NAT network, the authentication applies to the IP address of the NAT gateway, and any user behind that NAT gateway is also treated as authenticated.
CVSS v3 Severity:6.8 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
6.0 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/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): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:7.7 High (CVSS v2 Vector: AV:A/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-306
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2017-17746

Source: CCN
Type: Full-Disclosure Mailing List, Tue, 19 Dec 2017 12:39:38 +1030
Multiple Vulnerabilities in TP-Link TL-SG108E - CVE-2017-17745, CVE-2017-17746, CVE-2017-17747

Source: FULLDISC
Type: Exploit, Mailing List, Mitigation, Third Party Advisory
20171219 Multiple Vulnerabilities in TP-Link TL-SG108E - CVE-2017-17745, CVE-2017-17746, CVE-2017-17747

Source: XF
Type: UNKNOWN
tplink-cve201717746-info-disc(136656)

Source: CCN
Type: Packet Storm Security [12-20-2017]
TP-Link TL-SG108E XSS / Weak Access Control

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

Vulnerable Configuration:Configuration 1:
  • cpe:/o:tp-link:tl-sg108e_firmware:1.0.0:*:*:*:*:*:*:*
  • AND
  • cpe:/h:tp-link:tl-sg108e:1.0:*:*:*:*:*:*:*
  • OR cpe:/h:tp-link:tl-sg108e:2.0:*:*:*:*:*:*:*
  • OR cpe:/h:tp-link:tl-sg108e:3.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    tp-link tl-sg108e firmware 1.0.0
    tp-link tl-sg108e 1.0
    tp-link tl-sg108e 2.0
    tp-link tl-sg108e 3.0