Buffer overflow vulnerability in Ruijie RG-NBR2600S Gateway 10.3(4b12) due to the lack of length verification, which is related to the configuration of source address NAT rules. Attackers who successfully exploit this vulnerability can cause the remote target device to crash or execute arbitrary commands.
The mqlink.elf is service component in Ruijie RG-EW300N with firmware ReyeeOS 1.300.1422 is vulnerable to Remote Code Execution via a modified MQTT broker message.
Insecure Permissions vulnerability in Ruijie RG-NBS2009G-P RGOS v.10.4(1)P2 Release (9736) allows a remote attacker to gain privileges via the login check state component.
A vulnerability has been found in Ruijie EG2000K 11.1(6)B2 and classified as critical. This vulnerability affects unknown code of the file /tool/index.php?c=download&a=save. The manipulation of the argument content leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
An issue was found on the Ruijie EG-2000 series gateway. An attacker can easily dump cleartext stored passwords in /data/config.text with simple XORs. This affects EG-2000SE EG_RGOS 11.1(1)B1.
An issue was found on the Ruijie EG-2000 series gateway. There is a newcli.php API interface without access control, which can allow an attacker (who only has web interface access) to use TELNET commands and/or show admin passwords via the mode_url=exec&command= substring. This affects EG-2000SE EG_RGOS 11.9 B11P1.
An issue was found in upload.php on the Ruijie EG-2000 series gateway. A parameter passed to the class UploadFile is mishandled (%00 and /var/./html are not checked), which can allow an attacker to upload any file to the gateway. This affects EG-2000SE EG_RGOS 11.9 B11P1.
An issue was found on the Ruijie EG-2000 series gateway. There is a buffer overflow in client.so. Consequently, an attacker can use login.php to login to any account, without providing its password. This affects EG-2000SE EG_RGOS 11.1(1)B1.