Auth bypass in Aterm Wg2600hp2

CVE-2017-12575

An issue was discovered on the NEC Aterm WG2600HP2 1.0.2. The router has a set of web service APIs for access to and setup of the configuration. Some APIs don't require authentication. An attacker could exploit this vulnerability by sending a crafted HTTP request to retrieve DHCP clients, firmware version, and network status (ex.: curl -X http://[IP]/aterm_httpif.cgi/negotiate -d "REQ_ID=SUPPORT_IF_GET").

Vulnerability class: Broken Authentication

EPSS: 0.023 (81.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
  • cve@mitre.org (x_refsource_JVN, third-party-advisory)

Frequently asked questions

What is CVE-2017-12575?
CVE-2017-12575 is a high-severity vulnerability in Aterm Wg2600hp2, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2018-08-24.
How severe is CVE-2017-12575?
High severity. CVSS v3 base score is 7.5 out of 10.