Remove 2023 Remove Authentication Remove Firmware
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Netgear urges users to upgrade two flaws impacting WiFi router models

Security Affairs

Netgear addressed two critical vulnerabilities, internally tracked as PSV-2023-0039 and PSV-2021-0117 , impacting multiple WiFi router models and urged customers to install the latest firmware. The two flaws are, respectively, a remote code execution issue and an authentication bypass vulnerability. ” reads the advisory.

Firmware 109
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New AyySSHush botnet compromised over 9,000 ASUS routers, adding a persistent SSH backdoor.

Security Affairs

. “The attackers access survives both reboots and firmware updates, giving them durable control over affected devices.” GreyNoise also found a payload exploiting the authenticated command injection flaw CVE-2023-39780 in ASUS RT-AX55 v3.0.0.4.386.51598 to execute arbitrary system commands. .”

Firmware 134
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BootKitty Linux UEFI bootkit spotted exploiting LogoFAIL flaws

Security Affairs

The ‘Bootkitty’ Linux UEFI bootkit exploits the LogoFAIL flaws (CVE-2023-40238) to target systems using vulnerable firmware. The bootkit hooks UEFI authentication functions to bypass the Secure Boot mechanism and patches GRUB boot loader functions to evade additional integrity verifications.

Firmware 107
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Two SonicWall SMA100 flaws actively exploited in the wild

Security Affairs

SonicWall revealed that attackers actively exploited two security vulnerabilities, tracked as CVE-2023-44221 and CVE-2024-38475 , in its SMA100 Secure Mobile Access appliances. SMA100 devices updated with the fixed firmware version 10.2.1.14-75sv 62sv and higher versions (Fixed on December 4, 2023) CVE-2024-38475 – 10.2.1.14-75sv

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Over 9,000 Routers Hijacked: ASUS Users Caught in Ongoing Cyber Operation

eSecurity Planet

How the attack works The hackers exploited a known security flaw, CVE-2023-39780 a command injection vulnerability to run system commands on the routers. They also used two additional authentication bypass techniques that havent been assigned official CVE numbers yet. Inserted their own SSH public key for remote access.

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U.S. CISA adds SonicWall SMA100 and Apache HTTP Server flaws to its Known Exploited Vulnerabilities catalog

Security Affairs

An attacker can exploit the flaw to map URLs to file system locations that are permitted to be served by the server CVE-2023-44221 (CVSS score: 7.2) A remote authenticated attacker with administrative privilege can exploit the flaw to inject arbitrary commands as a nobody user, potentially leading to OS Command Injection Vulnerability.

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Zyxel addressed critical flaw CVE-2023-27992 in NAS Devices

Security Affairs

Zyxel released security updates to address a critical security flaw, tracked as CVE-2023-27992 (CVSS score: 9.8), affecting its network-attached storage (NAS) devices. The vulnerability is a pre-authentication command injection issue that impacts the Zyxel NAS326 firmware versions prior to V5.21(AAZF.14)C0,