Buffer overflow in Trendnet Tew-827dru
CVE-2020-14077
TRENDnet TEW-827DRU devices through 2.06B04 contain a stack-based buffer overflow in the ssi binary. The overflow allows an authenticated user to execute arbitrary code by POSTing to apply.cgi via the action set_sta_enrollee_pin_wifi1 (or set_sta_enrollee_pin_wifi0) with a sufficiently long wps_sta_enrollee_pin key.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/set_sta_enrollee_pin… (Third Party Advisory)
- github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-set_sta_enr… (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-14077?
- CVE-2020-14077 is a high-severity vulnerability in Trendnet Tew-827dru, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2020-06-15.
- How severe is CVE-2020-14077?
- High severity. CVSS v3 base score is 8.8 out of 10.