JVN#86171513: SEIL Series routers vulnerable to denial-of-service (DoS)

The DNS forwarder, the PPP Access Concentrator (L2TP) and the Measure(iPerf server) function in SEIL Series routers provided by Internet Initiative Japan Inc. contain a denial-of-service (DoS) vulnerability due to a flaw in processing certain packets.

Impact

Receiving a specially crafted packet may result in the device becoming unresponsive.

Solution

Update the Firmware
Apply the appropriate firmware update provided by the developer.

Products Affected

• SEIL/x86 Fuji 1.70 to 5.62
• SEIL/BPV4 5.00 to 5.62
• SEIL/X1 1.30 to 5.62
• SEIL/X2 1.30 to 5.62
• SEIL/B1 1.00 to 5.62