diff --git a/src/test/torcontrol_tests.cpp b/src/test/torcontrol_tests.cpp
index 68516599d..8d3bb8f77 100644
--- a/src/test/torcontrol_tests.cpp
+++ b/src/test/torcontrol_tests.cpp
@@ -119,27 +119,43 @@ BOOST_AUTO_TEST_CASE(util_ParseTorReplyMapping)
             {"Foo", "Bar Baz"},
         });
 
-    // Escapes (which are left escaped by the parser)
+    // Escapes
     CheckParseTorReplyMapping(
         "Foo=\"Bar\\ Baz\"", {
-            {"Foo", "Bar\\ Baz"},
+            {"Foo", "Bar Baz"},
         });
     CheckParseTorReplyMapping(
         "Foo=\"Bar\\Baz\"", {
-            {"Foo", "Bar\\Baz"},
+            {"Foo", "BarBaz"},
         });
     CheckParseTorReplyMapping(
         "Foo=\"Bar\\@Baz\"", {
-            {"Foo", "Bar\\@Baz"},
+            {"Foo", "Bar@Baz"},
         });
     CheckParseTorReplyMapping(
         "Foo=\"Bar\\\"Baz\" Spam=\"\\\"Eggs\\\"\"", {
-            {"Foo", "Bar\\\"Baz"},
-            {"Spam", "\\\"Eggs\\\""},
+            {"Foo", "Bar\"Baz"},
+            {"Spam", "\"Eggs\""},
         });
     CheckParseTorReplyMapping(
         "Foo=\"Bar\\\\Baz\"", {
-            {"Foo", "Bar\\\\Baz"},
+            {"Foo", "Bar\\Baz"},
+        });
+
+    // C escapes
+    CheckParseTorReplyMapping(
+        "Foo=\"Bar\\nBaz\\t\" Spam=\"\\rEggs\" Octals=\"\\1a\\11\\17\\18\\81\\377\\378\\400\" Final=Check", {
+            {"Foo", "Bar\nBaz\t"},
+            {"Spam", "\rEggs"},
+            {"Octals", "\1a\11\17\1" "881\377\37" "8400"},
+            {"Final", "Check"},
+        });
+    CheckParseTorReplyMapping(
+        "Valid=Mapping Bare=\"Escape\\\"", {});
+    CheckParseTorReplyMapping(
+        "OneOctal=\"OneEnd\\1\" TwoOctal=\"TwoEnd\\11\"", {
+            {"OneOctal", "OneEnd\1"},
+            {"TwoOctal", "TwoEnd\11"},
         });
 
     // A more complex valid grammar. PROTOCOLINFO accepts a VersionLine that
diff --git a/src/torcontrol.cpp b/src/torcontrol.cpp
index 60181b440..b2f229cba 100644
--- a/src/torcontrol.cpp
+++ b/src/torcontrol.cpp
@@ -292,10 +292,52 @@ static std::map<std::string,std::string> ParseTorReplyMapping(const std::string
             if (ptr == s.size()) // unexpected end of line
                 return std::map<std::string,std::string>();
             ++ptr; // skip closing '"'
-            /* TODO: unescape value - according to the spec this depends on the
-             * context, some strings use C-LogPrintf style escape codes, some
-             * don't. So may be better handled at the call site.
+            /**
+             * Escape value. Per https://spec.torproject.org/control-spec section 2.1.1:
+             *
+             *   For future-proofing, controller implementors MAY use the following
+             *   rules to be compatible with buggy Tor implementations and with
+             *   future ones that implement the spec as intended:
+             *
+             *     Read \n \t \r and \0 ... \377 as C escapes.
+             *     Treat a backslash followed by any other character as that character.
              */
+            std::string escaped_value;
+            for (size_t i = 0; i < value.size(); ++i) {
+                if (value[i] == '\\') {
+                    // This will always be valid, because if the final character
+                    // in the QuotedString was a \ then the parser would already
+                    // have returned above, due to a missing terminating
+                    // double-quote.
+                    ++i;
+                    if (value[i] == 'n') {
+                        escaped_value.push_back('\n');
+                    } else if (value[i] == 't') {
+                        escaped_value.push_back('\t');
+                    } else if (value[i] == 'r') {
+                        escaped_value.push_back('\r');
+                    } else if ('0' <= value[i] && value[i] <= '7') {
+                        size_t j;
+                        // Octal escape sequences have a limit of three octal digits,
+                        // but terminate at the first character that is not a valid
+                        // octal digit if encountered sooner.
+                        for (j = 1; '0' <= value[i+j] && value[i+j] <= '7' && j < 3; ++j) {}
+                        // Tor restricts first digit to 0-3 for three-digit octals.
+                        if (j < 3 || ('0' <= value[i] && value[i] <= '3')) {
+                            escaped_value.push_back(strtol(value.substr(i, j).c_str(), NULL, 8));
+                            // Account for automatic incrementing at loop end
+                            i += j - 1;
+                        } else {
+                            escaped_value.push_back(value[i]);
+                        }
+                    } else {
+                        escaped_value.push_back(value[i]);
+                    }
+                } else {
+                    escaped_value.push_back(value[i]);
+                }
+            }
+            value = escaped_value;
         } else { // Unquoted value. Note that values can contain '=' at will, just no spaces
             while (ptr < s.size() && s[ptr] != ' ') {
                 value.push_back(s[ptr]);