DHCP on Linksys BEFSR11, BEFSR41, BEFSR81, and BEFSRU31 Cable/DSL Routers, firmware version 1.45.7, does not properly clear previously used buffer contents in a BOOTP reply packet, which allows remote attackers to obtain sensitive information.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Befcmu10 | Linksys | * | * |
| Befn2ps4 | Linksys | * | * |
| Befn2ps4 | Linksys | 1.42.7 (including) | 1.42.7 (including) |
| Befsr11 | Linksys | 1.40.2 (including) | 1.40.2 (including) |
| Befsr11 | Linksys | 1.41 (including) | 1.41 (including) |
| Befsr11 | Linksys | 1.42.3 (including) | 1.42.3 (including) |
| Befsr11 | Linksys | 1.42.7 (including) | 1.42.7 (including) |
| Befsr11 | Linksys | 1.43 (including) | 1.43 (including) |
| Befsr11 | Linksys | 1.43.3 (including) | 1.43.3 (including) |
| Befsr11 | Linksys | 1.44 (including) | 1.44 (including) |
| Befsr41 | Linksys | 1.35 (including) | 1.35 (including) |
| Befsr41 | Linksys | 1.36 (including) | 1.36 (including) |
| Befsr41 | Linksys | 1.37 (including) | 1.37 (including) |
| Befsr41 | Linksys | 1.38.5 (including) | 1.38.5 (including) |
| Befsr41 | Linksys | 1.39 (including) | 1.39 (including) |
| Befsr41 | Linksys | 1.40.2 (including) | 1.40.2 (including) |
| Befsr41 | Linksys | 1.41 (including) | 1.41 (including) |
| Befsr41 | Linksys | 1.42.3 (including) | 1.42.3 (including) |
| Befsr41 | Linksys | 1.42.7 (including) | 1.42.7 (including) |
| Befsr41 | Linksys | 1.43 (including) | 1.43 (including) |
| Befsr41 | Linksys | 1.43.3 (including) | 1.43.3 (including) |
| Befsr41 | Linksys | 1.44 (including) | 1.44 (including) |
| Befsr41 | Linksys | 1.45.7 (including) | 1.45.7 (including) |
| Befsr41w | Linksys | * | * |
| Befsr81 | Linksys | * | * |
| Befsr81 | Linksys | 2.42.7.1 (including) | 2.42.7.1 (including) |
| Befsr81 | Linksys | 2.44 (including) | 2.44 (including) |
| Befsru31 | Linksys | 1.40.2 (including) | 1.40.2 (including) |
| Befsru31 | Linksys | 1.41 (including) | 1.41 (including) |
| Befsru31 | Linksys | 1.42.3 (including) | 1.42.3 (including) |
| Befsru31 | Linksys | 1.42.7 (including) | 1.42.7 (including) |
| Befsru31 | Linksys | 1.43 (including) | 1.43 (including) |
| Befsru31 | Linksys | 1.43.3 (including) | 1.43.3 (including) |
| Befsru31 | Linksys | 1.44 (including) | 1.44 (including) |
| Befsx41 | Linksys | 1.42.7 (including) | 1.42.7 (including) |
| Befsx41 | Linksys | 1.43 (including) | 1.43 (including) |
| Befsx41 | Linksys | 1.43.3 (including) | 1.43.3 (including) |
| Befsx41 | Linksys | 1.43.4 (including) | 1.43.4 (including) |
| Befsx41 | Linksys | 1.44 (including) | 1.44 (including) |
| Befsx41 | Linksys | 1.44.3 (including) | 1.44.3 (including) |
| Befsx41 | Linksys | 1.45.3 (including) | 1.45.3 (including) |
| Befvp41 | Linksys | * | * |
| Befvp41 | Linksys | 1.39.64 (including) | 1.39.64 (including) |
| Befvp41 | Linksys | 1.40.3f (including) | 1.40.3f (including) |
| Befvp41 | Linksys | 1.40.4 (including) | 1.40.4 (including) |
| Befvp41 | Linksys | 1.42.7 (including) | 1.42.7 (including) |
| Rv082 | Linksys | * | * |
| Wap55ag | Linksys | 1.0.7 (including) | 1.0.7 (including) |
| Wrt54g | Linksys | 1.42.3 (including) | 1.42.3 (including) |
| Wrt54g | Linksys | 2.00.8 (including) | 2.00.8 (including) |