How severe is CVE-2017-17747?

CVE-2017-17747 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-17747 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-17747?

CVE-2017-17747 affects Tp-link Tl-sg108e Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-17747?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-17747 published?

CVE-2017-17747 was published on 2017-12-20 and last updated on 2026-06-17.

CVE-2017-17747

CVE-2017-17747 is a medium-severity vulnerability in Tp-link Tl-sg108e Firmware with a CVSS 3.x base score of 6.5. 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-306.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 2.7
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Tp-link Tl-sg108e Firmware
Published: 2017-12-20
Last modified: 2026-06-17

Description

Weak access controls in the Device Logout functionality on the TP-Link TL-SG108E v1.0.0 allow remote attackers to call the logout functionality, triggering a denial of service condition.

Frequently asked questions

What is CVE-2017-17747?: Weak access controls in the Device Logout functionality on the TP-Link TL-SG108E v1.0.0 allow remote attackers to call the logout functionality, triggering a denial of service condition.
How severe is CVE-2017-17747?: CVE-2017-17747 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-17747 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-17747?: CVE-2017-17747 affects Tp-link Tl-sg108e Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-17747?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-17747 published?: CVE-2017-17747 was published on 2017-12-20 and last updated on 2026-06-17.

References

http://seclists.org/fulldisclosure/2017/Dec/67

Affected products (1)

cpe:2.3:o:tp-link:tl-sg108e_firmware:1.0.0:*:*:*:*:*:*:*

More vulnerabilities in Tp-link Tl-sg108e Firmware

CVE-2017-8076 — Critical (CVSS 9.8): On the TP-Link TL-SG108E 1.0, admin network communications are RC4 encoded, even though RC4 is deprecated. This affects…
CVE-2017-8075 — Critical (CVSS 9.8): On the TP-Link TL-SG108E 1.0, a remote attacker could retrieve credentials from "Switch Info" log lines where passwords…
CVE-2017-8074 — Critical (CVSS 9.8): On the TP-Link TL-SG108E 1.0, a remote attacker could retrieve credentials from "SEND data" log lines where passwords…
CVE-2017-8077 — High (CVSS 7.5): On the TP-Link TL-SG108E 1.0, there is a hard-coded ciphering key (a long string beginning with Ei2HNryt). This affects…
CVE-2017-17746 — Medium (CVSS 6.8): Weak access control methods on the TP-Link TL-SG108E 1.0.0 allow any user on a NAT network with an authenticated…
CVE-2017-17745 — Medium (CVSS 5.4): Cross-site scripting (XSS) vulnerability in system_name_set.cgi in TP-Link TL-SG108E 1.0.0 allows authenticated remote…

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