Critical Flaws Reported in Cisco VPN Routers for Businesses—Patch ASAP fresh cc shop ru, dump heaven cc
Cisco has rolled out fixes for multiple critical vulnerabilities in the web-based management interface of Small Business routers that could potentially allow an unauthenticated, remote attacker to execute arbitrary code as the root user on an affected device.
The flaws — tracked from CVE-2021-1289 through CVE-2021-1295 (CVSS score 9.8) — impact RV160, RV160W, RV260, RV260P, and RV260W VPN routers running a firmware release earlier than Release 1.0.01.02.
Along with the aforementioned three vulnerabilities, patches have also been released for two more arbitrary file write flaws (CVE-2021-1296 and CVE-2021-1297) affecting the same set of VPN routers that could have made it possible for an adversary to overwrite arbitrary files on the vulnerable system.
All the nine security issues were reported to the networking equipment maker by security researcher Takeshi Shiomitsu, who has previously uncovered similar critical flaws in RV110W, RV130W, and RV215W Routers that could be leveraged for remote code execution (RCE) attacks.
While exact specifics of the vulnerabilities are still unclear, Cisco said the flaws —
CVE-2021-1289, CVE-2021-1290, CVE-2021-1291, CVE-2021-1292, CVE-2021-1293, CVE-2021-1294, and CVE-2021-1295 are a result of improper validation of HTTP requests, allowing an attacker to craft a specially-crafted HTTP request to the web-based management interface and achieve RCE.
CVE-2021-1296 and CVE-2021-1297 are due to insufficient input validation, permitting an attacker to exploit these flaws using the web-based management interface to upload a file to a location that they should not have access to.
Separately, another set of five glitches (CVE-2021-1314 through CVE-2021-1318) in the web-based management interface of Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 routers could have granted an attacker the ability to inject arbitrary commands on the routers that are executed with root privileges.
Lastly, Cisco also addressed 30 additional vulnerabilities (CVE-2021-1319 through CVE-2021-1348), affecting the same set of products, that could allow an authenticated, remote attacker to execute arbitrary code and even cause a denial-of-service condition.
“To exploit these vulnerabilities, an attacker would need to have valid administrator credentials on the affected device,” Cisco said in an advisory published on February 3.
Kai Cheng from the Institute of Information Engineering, which is part of the Chinese Academy of Sciences, has been credited with reporting the 35 flaws in the router management interface.
The company also noted there’s been no evidence of active exploitation attempts in the wild for any of these flaws, nor are there any workarounds that address the vulnerabilities.
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