How severe is CVE-2018-20841?

CVE-2018-20841 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-2018-20841 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 48% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20841?

CVE-2018-20841 primarily affects Hootoo Tripmate Titan Ht-tm05 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-20841?

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-2018-20841 published?

CVE-2018-20841 was published on 2019-06-11 and last updated on 2026-06-17.

CVE-2018-20841

CVE-2018-20841 is a critical-severity vulnerability in Hootoo Tripmate Titan Ht-tm05 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 48% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 48% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Hootoo Tripmate Titan Ht-tm05 Firmware
Published: 2019-06-11
Last modified: 2026-06-17

Description

HooToo TripMate Titan HT-TM05 and HT-05 routers with firmware 2.000.022 and 2.000.082 allow remote command execution via shell metacharacters in the mac parameter of a protocol.csp?function=set&fname=security&opt=mac_table request.

Frequently asked questions

What is CVE-2018-20841?: HooToo TripMate Titan HT-TM05 and HT-05 routers with firmware 2.000.022 and 2.000.082 allow remote command execution via shell metacharacters in the mac parameter of a protocol.csp?function=set&fname=security&opt=mac_table request.
How severe is CVE-2018-20841?: CVE-2018-20841 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-2018-20841 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 48% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20841?: CVE-2018-20841 primarily affects Hootoo Tripmate Titan Ht-tm05 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-20841?: 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-2018-20841 published?: CVE-2018-20841 was published on 2019-06-11 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:hootoo:tripmate_titan_ht-tm05_firmware:2.000.022:*:*:*:*:*:*:*
cpe:2.3:o:hootoo:tripmate_titan_ht-tm05_firmware:2.000.082:*:*:*:*:*:*:*

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