How severe is CVE-2019-15911?

CVE-2019-15911 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-15911 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15911?

CVE-2019-15911 primarily affects Asus Hg100 Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-15911?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-15911 published?

CVE-2019-15911 was published on 2019-12-20 and last updated on 2026-06-17.

CVE-2019-15911

CVE-2019-15911 is a critical-severity vulnerability in Asus Hg100 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-319.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Asus Hg100 Firmware
Published: 2019-12-20
Last modified: 2026-06-17

Description

An issue was discovered on ASUS HG100, MW100, WS-101, TS-101, AS-101, MS-101, DL-101 devices using ZigBee PRO. Because of insecure key transport in ZigBee communication, attackers can obtain sensitive information, cause the multiple denial of service attacks, take over smart home devices, and tamper with messages.

Frequently asked questions

What is CVE-2019-15911?: An issue was discovered on ASUS HG100, MW100, WS-101, TS-101, AS-101, MS-101, DL-101 devices using ZigBee PRO. Because of insecure key transport in ZigBee communication, attackers can obtain sensitive information, cause the multiple denial of service attacks, take over smart home devices, and tamper with messages.
How severe is CVE-2019-15911?: CVE-2019-15911 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-15911 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15911?: CVE-2019-15911 primarily affects Asus Hg100 Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-15911?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-15911 published?: CVE-2019-15911 was published on 2019-12-20 and last updated on 2026-06-17.

References

https://github.com/chengcheng227/CVE-POC/blob/master/CVE-2019-15911.md

Affected products (7)

cpe:2.3:o:asus:hg100_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:asus:mw100_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:asus:ws-101_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:asus:ts-101_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:asus:as-101_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:asus:ms-101_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:asus:dl-101_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Asus Hg100 Firmware

CVE-2019-11061 — Critical (CVSS 10.0): A broken access control vulnerability in HG100 firmware versions up to 4.00.06 allows an attacker in the same local…
CVE-2018-11491 — Critical (CVSS 9.8): ASUS HG100 devices with firmware before 1.05.12 allow unauthenticated access, leading to remote command execution.
CVE-2019-15912 — High (CVSS 7.5): An issue was discovered on ASUS HG100, MW100, WS-101, TS-101, AS-101, MS-101, DL-101 devices using ZigBee PRO.…
CVE-2019-15910 — High (CVSS 7.5): An issue was discovered on ASUS HG100, MW100, WS-101, TS-101, AS-101, MS-101, DL-101 devices using ZigBee PRO.…
CVE-2019-11060 — High (CVSS 7.5): The web api server on Port 8080 of ASUS HG100 firmware up to 1.05.12, which is vulnerable to Slowloris HTTP Denial of…
CVE-2018-11492 — High (CVSS 7.5): ASUS HG100 devices allow denial of service via an IPv4 packet flood.

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