# CVE-2025-43706: An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080…

Source: https://junglewise.ai/threats/cve-2025-43706-an-issue-was-discovered-in-l2-in-samsung-mobile-processor  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-01-05  
License: CC BY 4.0 with a link back

CVE-2025-43706 · Severity: high · CVSS 7.5 · Published 2026-01-05

An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2400, 1580, 9110, W920, W930, Modem 5123, and Modem 5400. Incorrect handling of RRC packets leads to a Denial of Service.

Technologies: [Samsung Exynos 1080](https://junglewise.ai/threats/technologies/exynos-1080), [Samsung Exynos 1080 Firmware](https://junglewise.ai/threats/technologies/exynos-1080-firmware), [Samsung Exynos 1580](https://junglewise.ai/threats/technologies/exynos-1580), [Samsung Exynos 1580 Firmware](https://junglewise.ai/threats/technologies/exynos-1580-firmware), [Samsung Exynos 2400](https://junglewise.ai/threats/technologies/exynos-2400), [Samsung Exynos 2400 Firmware](https://junglewise.ai/threats/technologies/exynos-2400-firmware), [Samsung Exynos 850](https://junglewise.ai/threats/technologies/exynos-850), [Samsung Exynos 850 Firmware](https://junglewise.ai/threats/technologies/exynos-850-firmware), [Samsung Exynos 9110](https://junglewise.ai/threats/technologies/exynos-9110), [Samsung Exynos 9110 Firmware](https://junglewise.ai/threats/technologies/exynos-9110-firmware), [Samsung Exynos 980](https://junglewise.ai/threats/technologies/exynos-980), [Samsung Exynos 980 Firmware](https://junglewise.ai/threats/technologies/exynos-980-firmware), [Samsung Exynos 990](https://junglewise.ai/threats/technologies/exynos-990), [Samsung Exynos 990 Firmware](https://junglewise.ai/threats/technologies/exynos-990-firmware), [Samsung Exynos W920](https://junglewise.ai/threats/technologies/exynos-w920), [Samsung Exynos W920 Firmware](https://junglewise.ai/threats/technologies/exynos-w920-firmware), [Samsung Exynos W930](https://junglewise.ai/threats/technologies/exynos-w930), [Samsung Exynos W930 Firmware](https://junglewise.ai/threats/technologies/exynos-w930-firmware), [Samsung Modem 5123](https://junglewise.ai/threats/technologies/modem-5123), [Samsung Modem 5400](https://junglewise.ai/threats/technologies/modem-5400), [Samsung Modem 5123 Firmware](https://junglewise.ai/threats/technologies/modem-5123-firmware), [Samsung Modem 5400 Firmware](https://junglewise.ai/threats/technologies/modem-5400-firmware). Vendors: [Samsung](https://junglewise.ai/threats/vendors/samsung).

## Quick answers

**Is CVE-2025-43706 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-43706 being exploited in the wild.

**How severe is CVE-2025-43706?** High severity, with a CVSS score of 7.5, published 5 January 2026.

**Which products and versions are affected?** Samsung Exynos 1080, Samsung Exynos 1080 Firmware, Samsung Exynos 1580, Samsung Exynos 1580 Firmware and 18 more. The advisory does not name versions.

**Is there a fix for CVE-2025-43706?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-43706?** Check whether you run Samsung Exynos 1080, Samsung Exynos 1080 Firmware, Samsung Exynos 1580 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Samsung Exynos 1080
- Samsung Exynos 1080 Firmware
- Samsung Exynos 1580
- Samsung Exynos 1580 Firmware
- Samsung Exynos 2400
- Samsung Exynos 2400 Firmware
- Samsung Exynos 850
- Samsung Exynos 850 Firmware
- Samsung Exynos 9110
- Samsung Exynos 9110 Firmware
- Samsung Exynos 980
- Samsung Exynos 980 Firmware
- Samsung Exynos 990
- Samsung Exynos 990 Firmware
- Samsung Exynos W920
- Samsung Exynos W920 Firmware
- Samsung Exynos W930
- Samsung Exynos W930 Firmware
- Samsung Modem 5123
- Samsung Modem 5400
- Samsung Modem 5123 Firmware
- Samsung Modem 5400 Firmware

## Related threats

- [Samsung Exynos denial of service in Shannon SM Task](https://junglewise.ai/threats/cve-2023-37366-samsung-exynos-denial-of-service-in-shannon-sm-task)
- [Samsung Exynos 5G baseband NULL pointer dereference in RRC Reconfiguration](https://junglewise.ai/threats/cve-2026-33970-samsung-exynos-5g-baseband-null-pointer-dereference-in-rrc)
- [Samsung Exynos camera driver TOCTOU race condition](https://junglewise.ai/threats/cve-2026-33968-samsung-exynos-camera-driver-toctou-race-condition)
- [Samsung Exynos camera driver out-of-bounds array access](https://junglewise.ai/threats/cve-2026-33967-samsung-exynos-camera-driver-out-of-bounds-array-access)
- [Samsung Exynos camera driver information leak via debug code](https://junglewise.ai/threats/cve-2026-33966-samsung-exynos-camera-driver-information-leak-via-debug-code)