CVE-2026-1668 | TP-Link SX3206HPP 1.20 Web Interface input validation

A vulnerability labeled as critical has been found in TP-Link SG2008P 3.2x, SG2008P 3.3x, SX3016F 1.3x, SX3016F 1.2x, SG3428 2.4x, SG3428XMP 3.3x, SG3428X 1.4x, SG3428XF 1.3x, SG3452P 3.4x, SG3428MP 6.3x, SG2218P 2.2x, SG2016P 1.3x, SG3452XP 2.3x, SG3428XMPP 1.2x, SG3452X 1.3x, SG2008 4.3x, SG3210 3.3x, SG2210MP 5.2x, SG2210P 5.3x, SG2218 1.3x, SG3452 1.3x, SG3210X-M2 1.2x, SG2210XMP-M2 1.x, SG2008 4.2x, SG2218P 1.2x, SG3210 3.2x, SG3428X-M2 1.2x, SX3832MPP 1.x, SG2218 1.2x, SX3832 1.x, SG2428LP 1.x, SL2428P 6.2x, SG3218XP-M2 1.x, SG3210XHP-M2 3.x, SG2218P 2.x, SG3210X-M2 1.x, SG2428P 5.3x, SG2210MP 4.2x, SG3452P 3.3x, SG3452 1.2x, SG2452LP 1.x, SX3032F 1.x, SG3452X 1.2x, SG3452XMPP 1.x, SG3428XPP-M2 1.2x, TL-SG3452P 3.0, SG2428P 5.2x, SG2210MP 5.x, SG2005P-PD 1.x, SG2016P 1.2x, SG3452XP 2.2x, SG3428XMP 3.2x, SG3428X 1.3x, SG3428XF 1.2x, SG3428MP 6.2x, TL-SG3428MP 5.x, SG3428 2.3x, SG3428XMPP 1.x, TL-SG2428P 4.x, SG2210P 5.2x, SX3008F 1.2x and SX3206HPP 1.20. This affects an unknown part of the component Web Interface. Such manipulation leads to improper input validation.

This vulnerability is referenced as CVE-2026-1668. The attack needs to be initiated within the local network. No exploit is available.