HIGH
TP-Link WR840N devices have a buffer overflow via a long Authorization HTTP header
Published Aug 15, 2018
7.5
HIGHCVSS 3.0
EPSS 8.30%
Description
TP-Link WR840N devices have a buffer overflow via a long Authorization HTTP header.
Affected products
No data.
AND
- 0.9.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
8.30% 0.08299
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.08299
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (31 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 8.30% (0.08299) | 94.76th | v5 (v2026.06.15) |
| Sep 22, 2026 | 8.30% (0.08299) | 94.67th | v5 (v2026.06.15) |
| Sep 21, 2026 | 6.50% (0.06497) | 93.54th | v5 (v2026.06.15) |
| Sep 6, 2026 | 8.30% (0.08299) | 94.55th | v5 (v2026.06.15) |
| Sep 5, 2026 | 6.50% (0.06497) | 93.40th | v5 (v2026.06.15) |
| Aug 30, 2026 | 8.30% (0.08299) | 94.52th | v5 (v2026.06.15) |
| Aug 28, 2026 | 6.50% (0.06497) | 93.36th | v5 (v2026.06.15) |
| Aug 24, 2026 | 8.30% (0.08299) | 94.49th | v5 (v2026.06.15) |
| Aug 23, 2026 | 6.50% (0.06497) | 93.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 8.30% (0.08299) | 94.19th | v5 (v2026.06.15) |
| Nov 21, 2025 | 10.10% (0.10100) | 92.79th | v4 (v2025.03.14) |
| Nov 18, 2025 | 9.03% (0.09030) | 91.79th | v4 (v2025.03.14) |
| Mar 30, 2025 | 10.10% (0.10100) | 92.36th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.50% (0.08496) | 87.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 10.10% (0.10100) | 92.52th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.98% (0.00979) | 84.10th | v3 (v2023.03.01) |
| Jun 24, 2024 | 0.98% (0.00979) | 83.51th | v3 (v2023.03.01) |
| Jun 7, 2024 | 0.77% (0.00770) | 81.28th | v3 (v2023.03.01) |
| Jan 6, 2024 | 0.77% (0.00770) | 79.28th | v3 (v2023.03.01) |
| Aug 27, 2023 | 0.91% (0.00910) | 80.80th | v3 (v2023.03.01) |
| Jul 25, 2023 | 0.95% (0.00952) | 81.13th | v3 (v2023.03.01) |
| Jul 7, 2023 | 1.08% (0.01083) | 82.31th | v3 (v2023.03.01) |
| Apr 12, 2023 | 1.01% (0.01013) | 81.49th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.88% (0.00879) | 80.00th | v3 (v2023.03.01) |
| Mar 6, 2023 | 8.38% (0.08382) | 93.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 8.38% (0.08382) | 93.35th | v2 (v2022.01.01) |
| Feb 4, 2022 | 8.38% (0.08382) | 82.62th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.74% (0.02742) | 63.06th | v1 |
| Jan 6, 2022 | 2.74% (0.02742) | 62.72th | v1 |
| Sep 1, 2021 | 2.74% (0.02742) | 80.38th | v1 |
| Apr 14, 2021 | 2.74% (0.02742) | 0.00th | v1 |
Weaknesses (1)
References (2)
- https://hackingvila.wordpress.com/2018/08/08/tp-link-buffer-overflow-via-a-long-authorization-http-header-cve-2018-15172/ x_refsource_MISCPermissions Required
- https://www.exploit-db.com/exploits/45203/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| https://hackingvila.wordpress.com/2018/08/08/tp-link-buffer-overflow-via-a-long-authorization-http-header-cve-2018-15172/ | x_refsource_MISCPermissions Required | |
| https://www.exploit-db.com/exploits/45203/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 15, 2018
Updated Aug 5, 2024
Reserved Aug 7, 2018
Link CVE-2018-15172
CISA Vulnrichment
Updated n/a