How severe is CVE-2017-8077?

CVE-2017-8077 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-8077 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-8077?

CVE-2017-8077 affects Tp-link Tl-sg108e Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-8077?

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

When was CVE-2017-8077 published?

CVE-2017-8077 was published on 2017-04-23 and last updated on 2026-06-17.

CVE-2017-8077

CVE-2017-8077 is a high-severity vulnerability in Tp-link Tl-sg108e Firmware with a CVSS 3.x base score of 7.5. 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-798.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Tp-link Tl-sg108e Firmware
Published: 2017-04-23
Last modified: 2026-06-17

Description

On the TP-Link TL-SG108E 1.0, there is a hard-coded ciphering key (a long string beginning with Ei2HNryt). This affects the 1.1.2 Build 20141017 Rel.50749 firmware.

Frequently asked questions

What is CVE-2017-8077?: On the TP-Link TL-SG108E 1.0, there is a hard-coded ciphering key (a long string beginning with Ei2HNryt). This affects the 1.1.2 Build 20141017 Rel.50749 firmware.
How severe is CVE-2017-8077?: CVE-2017-8077 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-8077 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-8077?: CVE-2017-8077 affects Tp-link Tl-sg108e Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-8077?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-8077 published?: CVE-2017-8077 was published on 2017-04-23 and last updated on 2026-06-17.

References

https://chmod750.com/2017/04/23/vulnerability-disclosure-tp-link/

Affected products (1)

cpe:2.3:o:tp-link:tl-sg108e_firmware:1.1.2:*:*:*:*:*:*:*

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-2017-17746 — 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-2017-17747 — Medium (CVSS 6.5): Weak access controls in the Device Logout functionality on the TP-Link TL-SG108E v1.0.0 allow remote attackers to call…
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…

All CVEs affecting Tp-link Tl-sg108e Firmware →

Other CWE-798 (Use of Hard-coded Credentials) vulnerabilities

CVE-2026-13768 — Critical (CVSS 10.0): Gardyn devices expose a privileged iothubowner key. Access to this key will allow a malicious user to invoke an IoTHub…
CVE-2026-45631 — Critical (CVSS 10.0): Dokploy is a free, self-hostable Platform as a Service (PaaS). From 0.27.0 to before 0.29.3, a hardcoded…
CVE-2026-22769 — Critical (CVSS 10.0): Dell RecoverPoint for Virtual Machines, versions prior to 6.0.3.1 HF1, contain a hardcoded credential vulnerability.…
CVE-2025-42890 — Critical (CVSS 10.0): SQL Anywhere Monitor (Non-GUI) baked credentials into the code,exposing the resources or functionality to unintended…
CVE-2025-7503 — Critical (CVSS 10.0): An OEM IP camera manufactured by Shenzhen Liandian Communication Technology LTD exposes a Telnet service (port 23) with…
CVE-2025-20309 — Critical (CVSS 10.0): A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session…

Browse all CWE-798 (Use of Hard-coded Credentials) vulnerabilities →