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Cisco Warns of Vital Vulnerability in EoL Small Enterprise Routers

By Ionut Arghire on January 12, 2023

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Cisco this week introduced that no patches shall be launched for a critical-severity vulnerability impacting small enterprise RV016, RV042, RV042G, and RV082 routers, which have reached finish of life (EoL).

Tracked as CVE-2023-20025 (CVSS rating of 9.0), the safety defect impacts the web-based administration interface of the routers and could possibly be exploited to bypass authentication.

The difficulty exists as a result of consumer enter inside incoming HTTP packets will not be correctly validated, permitting an attacker to ship crafted HTTP requests to the router, to bypass authentication and acquire root entry to the working system.

“Cisco has not and won’t launch software program updates that deal with this vulnerability. There aren’t any workarounds that deal with this vulnerability,” Cisco notes in its advisory.

The tech big additionally warned of a high-severity bug within the web-based administration interface of the identical routers, which may result in distant command execution. Tracked as CVE-2023-20026, the vulnerability requires for the attacker to be authenticated.

To mitigate these vulnerabilities, directors can disable distant administration on the affected gadgets, and block entry to ports 443 and 60443.

Cisco warns that proof-of-concept exploit code concentrating on this vulnerability is obtainable publicly, however says it’s not conscious of malicious assaults exploiting the bug. Nonetheless, it’s not unusual for risk actors to focus on Cisco’s small enterprise RV routers of their assaults.

This week Cisco additionally introduced patches for high-severity vulnerabilities impacting IP Cellphone 7800 and 8800 sequence telephones, Industrial Community Director (IND), and the BroadWorks Utility Supply and BroadWorks Xtended Providers platforms.

The inadequate validation of user-supplied enter on the web-based administration interface of IP Cellphone 7800 and 8800 sequence telephones may enable a distant attacker to bypass authentication.

The safety subject in IND “exists as a result of a static key worth that’s saved within the utility can be utilized to encrypt utility knowledge and distant credentials” and will be exploited to decrypt knowledge and entry distant methods monitored by IND.

The BroadWorks platforms are impacted by an improper enter validation bug permitting attackers to ship crafted HTTP requests and set off a denial-of-service (DoS) situation.

Cisco says it’s not conscious of any malicious assaults concentrating on the vulnerabilities. Extra details about the addressed bugs will be discovered on Cisco’s product safety web page.

Associated: Cisco Safe Electronic mail Gateway Filters Bypassed Because of Malware Scanner Difficulty

Associated: Cisco Patches Excessive-Severity Bugs in Electronic mail, Identification, Internet Safety Merchandise

Associated: Cisco Confirms In-the-Wild Exploitation of Two VPN Vulnerabilities

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