CVE-2019-7579
An ability exists for an unauthenticated user to browse a confidential ui/1.0.99.187766/dynamic/js/setup.js.localized file on the router's webserver, allowing for an attacker to identify possible passwords that the system uses to set the default guest…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered on Linksys WRT1900ACS 1.0.3.187766 devices. An ability exists for an unauthenticated user to browse a confidential ui/1.0.99.187766/dynamic/js/setup.js.localized file on the router's webserver, allowing for an attacker to identify possible passwords that the system uses to set the default guest network password. An attacker can use this list of 30 words along with a random 2 digit number to brute force their access onto a router's guest network.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.81% probability · 77th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- linksys/wrt1900acs firmware
- Source
- cve@mitre.org
References
- http://www.x0rsecurity.com/2019/06/09/my-second-cve-linksys-wrt-acs-cve-2019-7579-or-as-i-call-it-acceptance-no-one-considers-security-by-design/Exploit, Third Party Advisory
- https://robot-security.blogspot.comNot Applicable
- http://www.x0rsecurity.com/2019/06/09/my-second-cve-linksys-wrt-acs-cve-2019-7579-or-as-i-call-it-acceptance-no-one-considers-security-by-design/Exploit, Third Party Advisory
- https://robot-security.blogspot.comNot Applicable
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.