CVE-2026-27849

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Due to missing neutralization of special elements, OS commands can be injected via the update functionality of a TLS-SRP connection, which is normally used for configuring devices inside the mesh network. This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-78

Affected software

No affected versions have been published.

Timeline

Published: Feb 25, 2026
Last modified: Jun 17, 2026
NVD status: Deferred

Related CVEs from 2026

CVE-2026-27859.8Invalid pointer in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thu CVE-2026-278507.5Due to an improperly configured firewall rule, the router will accept any connection on the WAN port with the source port 5222, exposing all CVE-2026-278519.1When safe filter is used with variable expansion, all following pipelines on the same string are incorrectly interpreted as safe too, enabli CVE-2026-278527.5An attacker that can send mail to a user can craft a message whose headers contain a very large number of email addresses or MIME parameters CVE-2026-278537.5An attacker might be able to trigger an out-of-bounds write by sending crafted DNS responses to a DNSdist using the DNSQuestion:changeName o CVE-2026-278547.5An attacker might be able to trigger a use-after-free by sending crafted DNS queries to a DNSdist using the DNSQuestion:getEDNSOptions metho CVE-2026-278555.9Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in pa CVE-2026-278565.9Doveadm credentials are verified using direct comparison which is susceptible to timing oracle attack. An attacker can use this to determine CVE-2026-278577.5Sending "NOOP (((...)))" command with 4000 parenthesis open+close results in ~1MB extra memory usage. Longer commands will result in client CVE-2026-278587.5Attacker can send a specifically crafted message before authentication that causes managesieve to allocate large amount of memory. Attacke CVE-2026-278595.3A mail message containing excessive amount of RFC 2231 MIME parameters causes LMTP to use too much CPU. A suitably formatted mail message ca CVE-2026-27869.8Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thun