# Linksys E5600 vulnerabilities Source: https://junglewise.ai/threats/technologies/e5600 Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/e5600.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 6 vulnerabilities in Linksys E5600: 0 in the last 7 days and 4 in the last 90 days, 3 of them critical and 0 exploited in the wild. The most recent, CVE-2026-121618, was published on 4 November 2026. 4 vulnerabilities in the last four weeks, up from none in the four before. 1 critical against 0. ## Counts - Last 7 days: 0 - Last 30 days: 4 - Last 90 days: 4 - All time: 6 (3 critical, 0 exploited in the wild) ## About Linksys E5600 Linksys dual-band wireless router for home and small office networking. ## Latest Linksys E5600 vulnerabilities - [CVE-2026-121618: Linksys E5600 unauthenticated information disclosure in factory QC page](https://junglewise.ai/threats/cve-2026-121618-a-weakness-has-been-identified-in-linksys-e5600-1-1-0-26-this) (medium, CVSS 5.3, published 4 Nov 2026) - [CVE-2026-121617: Linksys E5600 buffer overflow in firmware upload](https://junglewise.ai/threats/cve-2026-121617-a-security-flaw-has-been-discovered-in-linksys-e5600-1-1-0-26) (high, CVSS 7.5, published 4 Nov 2026) - [CVE-2026-121616: Linksys E5600 buffer overflow in mesh_login.cgi](https://junglewise.ai/threats/cve-2026-121616-a-vulnerability-was-identified-in-linksys-e5600-1-1-0-26) (medium, CVSS 5.3, published 4 Nov 2026) - [CVE-2026-121615: Linksys E5600 authentication bypass in mesh login](https://junglewise.ai/threats/cve-2026-121615-a-vulnerability-was-determined-in-linksys-e5600-1-1-0-26) (critical, CVSS 10, published 4 Nov 2026) - [CVE-2025-29229: linksys E5600 V1.1.0.26 is vulnerable to command injection in the function ddnsStatus.](https://junglewise.ai/threats/cve-2025-29229-linksys-e5600-v1-1-0-26-is-vulnerable-to-command-injection-in-the) (critical, CVSS 9.8, published 23 Dec 2025) - [CVE-2025-29228: Linksys E5600 V1.1.0.26 is vulnerable to command injection in the runtime.macClone function via the mc.ip parameter.](https://junglewise.ai/threats/cve-2025-29228-linksys-e5600-v1-1-0-26-is-vulnerable-to-command-injection-in-the) (critical, CVSS 9.8, published 23 Dec 2025) ## Most severe Linksys E5600 vulnerabilities - [CVE-2026-121615: Linksys E5600 authentication bypass in mesh login](https://junglewise.ai/threats/cve-2026-121615-a-vulnerability-was-determined-in-linksys-e5600-1-1-0-26) (critical, CVSS 10, published 4 Nov 2026) - [CVE-2025-29229: linksys E5600 V1.1.0.26 is vulnerable to command injection in the function ddnsStatus.](https://junglewise.ai/threats/cve-2025-29229-linksys-e5600-v1-1-0-26-is-vulnerable-to-command-injection-in-the) (critical, CVSS 9.8, published 23 Dec 2025) - [CVE-2025-29228: Linksys E5600 V1.1.0.26 is vulnerable to command injection in the runtime.macClone function via the mc.ip parameter.](https://junglewise.ai/threats/cve-2025-29228-linksys-e5600-v1-1-0-26-is-vulnerable-to-command-injection-in-the) (critical, CVSS 9.8, published 23 Dec 2025) - [CVE-2026-121617: Linksys E5600 buffer overflow in firmware upload](https://junglewise.ai/threats/cve-2026-121617-a-security-flaw-has-been-discovered-in-linksys-e5600-1-1-0-26) (high, CVSS 7.5, published 4 Nov 2026) - [CVE-2026-121618: Linksys E5600 unauthenticated information disclosure in factory QC page](https://junglewise.ai/threats/cve-2026-121618-a-weakness-has-been-identified-in-linksys-e5600-1-1-0-26-this) (medium, CVSS 5.3, published 4 Nov 2026) - [CVE-2026-121616: Linksys E5600 buffer overflow in mesh_login.cgi](https://junglewise.ai/threats/cve-2026-121616-a-vulnerability-was-identified-in-linksys-e5600-1-1-0-26) (medium, CVSS 5.3, published 4 Nov 2026) ## Vulnerabilities per week 4 vulnerabilities in the last four weeks, up from none in the four before. 1 critical against 0. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 4 | 1 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Linksys technologies - [Linksys E1200](https://junglewise.ai/threats/technologies/e1200): 5 vulnerabilities - [Linksys E1200 Firmware](https://junglewise.ai/threats/technologies/e1200-firmware): 5 vulnerabilities - [Linksys E1700](https://junglewise.ai/threats/technologies/e1700): 5 vulnerabilities - [Linksys RE7000](https://junglewise.ai/threats/technologies/re7000): 5 vulnerabilities - [Linksys Re7000 Firmware](https://junglewise.ai/threats/technologies/re7000-firmware): 4 vulnerabilities - [Linksys EA8100](https://junglewise.ai/threats/technologies/ea8100): 3 vulnerabilities - [Linksys Re6250](https://junglewise.ai/threats/technologies/re6250): 3 vulnerabilities - [Linksys Re6250 Firmware](https://junglewise.ai/threats/technologies/re6250-firmware): 3 vulnerabilities - [Linksys Re6300](https://junglewise.ai/threats/technologies/re6300): 3 vulnerabilities - [Linksys Re6300 Firmware](https://junglewise.ai/threats/technologies/re6300-firmware): 3 vulnerabilities - [Linksys Re6350](https://junglewise.ai/threats/technologies/re6350): 3 vulnerabilities - [Linksys Re6350 Firmware](https://junglewise.ai/threats/technologies/re6350-firmware): 3 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Linksys E5600 vulnerabilities", https://junglewise.ai/threats/technologies/e5600, 13 November 2026.