CVE-2020-10823
Critical
Description
A stack-based buffer overflow in /cgi-bin/activate.cgi through var parameter on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote attackers to achieve code execution via a remote HTTP request (issue 1 of 3).
SeverityCritical
CVSS9.8
Exploit probability—
Product
Draytek Vigor300b Firmware
PublishedMar 26, 2020
First seenMar 26, 2020
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- draytek vigor300b_firmware1.5.1 or later
- draytek vigor3900_firmware1.5.1 or later
- draytek vigor2960_firmware1.5.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| draytek vigor300b_firmware | v < 1.5.1 | 1.5.1 |
| draytek vigor3900_firmware | v < 1.5.1 | 1.5.1 |
| draytek vigor2960_firmware | v < 1.5.1 | 1.5.1 |
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