Vulnerability Details : CVE-2017-8841
Arbitrary file deletion exists on Peplink Balance 305, 380, 580, 710, 1350, and 2500 devices with firmware before fw-b305hw2_380hw6_580hw2_710hw3_1350hw2_2500-7.0.1-build2093. The attack methodology is absolute path traversal in cgi-bin/MANGA/firmware_process.cgi via the upfile.path parameter.
Vulnerability category: Directory traversal
Products affected by CVE-2017-8841
- cpe:2.3:o:peplink:b305hw2_firmware:7.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:peplink:380hw6_firmware:7.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:peplink:580hw2_firmware:7.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:peplink:710hw3_firmware:7.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:peplink:1350hw2_firmware:7.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:peplink:2500_firmware:7.0.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-8841
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-8841
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:S/C:N/I:P/A:C |
8.0
|
7.8
|
NIST | |
8.1
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
2.8
|
5.2
|
NIST |
CWE ids for CVE-2017-8841
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-8841
-
https://www.exploit-db.com/exploits/42130/
Peplink Balance Routers 7.0.0-build1904 - SQL Injection / Cross-Site Scripting / Information Disclosure
-
https://www.x41-dsec.de/lab/advisories/x41-2017-005-peplink/
Advisory X41-2017-005: Multiple Vulnerabilities in Peplink Balance Routers | X41 D-SEC GmbHThird Party Advisory
-
http://seclists.org/bugtraq/2017/Jun/1
Bugtraq: X41-2017-005 - Multiple Vulnerabilities in peplink balance routersMailing List;Third Party Advisory
Jump to