CVE-2026-21383

Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security. It has a CVSS v3.1 base score of 7.1 (HIGH).

CVE-2026-21383 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0007, placing it in the 0th percentile for exploitation probability.

CVE-2026-21383 affects products from qualcomm, specifically: fastconnect_6900, fastconnect_6900_firmware, fastconnect_7800, fastconnect_7800_firmware, lemans_au_lgit, lemans_au_lgit_firmware, lemansau, lemansau_firmware, pandeiro, pandeiro_firmware, qam8255p, qam8255p_firmware, qam8397p, qam8397p_firmware, qam8797p, qam8797p_firmware, qamsrv1h, qamsrv1h_firmware, qamsrv1m, qamsrv1m_firmware, qca6595au, qca6595au_firmware, qca6696, qca6696_firmware, qca6698aq, qca6698aq_firmware, qca6797aq, qca6797aq_firmware, qca8695au, qca8695au_firmware, qdu1000, qdu1000_firmware, qdu1110, qdu1110_firmware, qdu1210, qdu1210_firmware, qdx1010, qdx1010_firmware, qdx1011, qdx1011_firmware, qln1083bd, qln1083bd_firmware, qln1086bd, qln1086bd_firmware, qpa1083bd, qpa1083bd_firmware, qpa1086bd, qpa1086bd_firmware, qualcomm_dragonwing_x100_accelerator_card, qualcomm_dragonwing_x100_accelerator_card_firmware, qxm1093, qxm1093_firmware, qxm1094, qxm1094_firmware, qxm1095, qxm1095_firmware, qxm1096, qxm1096_firmware, sa7255p, sa7255p_firmware, sa7775p, sa7775p_firmware, sa8255p, sa8255p_firmware, sa8620p, sa8620p_firmware, sa8770p, sa8770p_firmware, sa9000p, sa9000p_firmware, sar1165p, sar1165p_firmware, sar2130p, sar2130p_firmware, snapdragon_ar1\+_gen_1_platform, snapdragon_ar1\+_gen_1_platform_firmware, snapdragon_ar1_gen_1_platform, snapdragon_ar1_gen_1_platform_firmware, srv1h, srv1h_firmware, srv1m, srv1m_firmware, sxr2230p, sxr2230p_firmware, sxr2250p, sxr2250p_firmware, wcd9380, wcd9380_firmware, wcd9385, wcd9385_firmware, wcn3950, wcn3950_firmware, wcn7860, wcn7860_firmware, wcn7861, wcn7861_firmware, wsa8830, wsa8830_firmware, wsa8832, wsa8832_firmware, wsa8835, wsa8835_firmware, xrv7209, xrv7209_firmware, xrv9209, xrv9209_firmware. Check the affected products table above for specific version ranges.

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.