CVE-2024-51139
Critical
Description
Buffer Overflow vulnerability in Vigor2620/LTE200 3.9.8.9 and earlier and Vigor2860/2925 3.9.8 and earlier and Vigor2862/2926 3.9.9.5 and earlier and Vigor2133/2762/2832 3.9.9 and earlier and Vigor165/166 4.2.7 and earlier and Vigor2135/2765/2766 4.4.5.1 and earlier and Vigor2865/2866/2927 4.4.5.3 and earlier and Vigor2962/3910 4.3.2.8/4.4.3.1 and earlier and Vigor3912 4.3.6.1 and earlier allows a remote attacker to execute arbitrary code via the CGI parser's handling of the "Content-Length" header of HTTP POST requests.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Draytek Vigor2620 Firmware
PublishedFeb 27, 2025
First seenFeb 27, 2025
Weakness typeCWE-120CWE-120
How to fix
Update
- draytek vigor2620_firmware3.9.9.1 or later
- draytek vigorlte200_firmware3.9.9.1 or later
- draytek vigor2860_firmware3.9.8.3 or later
- draytek vigor2925_firmware3.9.8.3 or later
- draytek vigor2862_firmware3.9.9.8 or later
- draytek vigor2926_firmware3.9.9.8 or later
- draytek vigor2133_firmware3.9.9.2 or later
- draytek vigor2762_firmware3.9.9.2 or later
- draytek vigor2832_firmware3.9.9.2 or later
- draytek vigor2135_firmware4.4.5.5 or later
- draytek vigor2765_firmware4.4.5.5 or later
- draytek vigor2766_firmware4.4.5.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| draytek vigor2620_firmware | v < 3.9.9.1 | 3.9.9.1 |
| draytek vigorlte200_firmware | v < 3.9.9.1 | 3.9.9.1 |
| draytek vigor2860_firmware | v < 3.9.8.3 | 3.9.8.3 |
| draytek vigor2925_firmware | v < 3.9.8.3 | 3.9.8.3 |
| draytek vigor2862_firmware | v < 3.9.9.8 | 3.9.9.8 |
| draytek vigor2926_firmware | v < 3.9.9.8 | 3.9.9.8 |
| draytek vigor2133_firmware | v < 3.9.9.2 | 3.9.9.2 |
| draytek vigor2762_firmware | v < 3.9.9.2 | 3.9.9.2 |
| draytek vigor2832_firmware | v < 3.9.9.2 | 3.9.9.2 |
| draytek vigor2135_firmware | v < 4.4.5.5 | 4.4.5.5 |
| draytek vigor2765_firmware | v < 4.4.5.5 | 4.4.5.5 |
| draytek vigor2766_firmware | v < 4.4.5.5 | 4.4.5.5 |
| draytek vigor2763_firmware | v < 4.4.5.5 | 4.4.5.5 |
| draytek vigor2865_firmware | v < 4.4.5.8 | 4.4.5.8 |
| draytek vigor2866_firmware | v < 4.4.5.8 | 4.4.5.8 |
| draytek vigor2927_firmware | v < 4.4.5.8 | 4.4.5.8 |
| draytek vigor2962_firmware | v < 4.3.2.9, 4.4.3 ≤ v < 4.4.3.2 | 4.3.2.9, 4.4.3.2 |
| draytek vigor3910_firmware | v < 4.3.2.9, 4.4.3 ≤ v < 4.4.3.2 | 4.3.2.9, 4.4.3.2 |
| draytek vigor3912_firmware | v < 4.4.3.2 | 4.4.3.2 |
| draytek vigor2915_firmware | v < 4.4.5 | 4.4.5 |
| draytek vigor1000b_firmware | v < 4.4.3.2 | 4.4.3.2 |
| draytek vigor2952_firmware | v < 3.9.8.5 | 3.9.8.5 |
| draytek vigor3220_firmware | v < 3.9.8.5 | 3.9.8.5 |
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